src/landscape.cpp
author rubidium
Sat, 17 Nov 2007 12:42:15 +0000
changeset 7898 7c6a9c9030b5
parent 7887 b72ef3f45a38
child 8108 b42a0e5c67ef
permissions -rw-r--r--
(svn r11449) -Fix [FS#1160]: trams could deadlock themselves. As of now trams will turn as roadvehicles do when the player cannot build a tram track piece on the next tile without destroying anything. It will not turn when the player can build the before mentioned track piece on the 'next' tile.
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/* $Id$ */
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#include "stdafx.h"
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#include "openttd.h"
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#include "bridge_map.h"
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#include "heightmap.h"
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#include "clear_map.h"
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#include "date.h"
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#include "functions.h"
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#include "map.h"
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#include "player.h"
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#include "spritecache.h"
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#include "table/sprites.h"
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#include "tile.h"
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#include <stdarg.h>
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#include "viewport.h"
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#include "command.h"
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#include "landscape.h"
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#include "vehicle.h"
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#include "variables.h"
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#include "void_map.h"
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#include "water_map.h"
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#include "tgp.h"
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#include "genworld.h"
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extern const TileTypeProcs
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	_tile_type_clear_procs,
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	_tile_type_rail_procs,
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	_tile_type_road_procs,
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	_tile_type_town_procs,
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	_tile_type_trees_procs,
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	_tile_type_station_procs,
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	_tile_type_water_procs,
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	_tile_type_dummy_procs,
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	_tile_type_industry_procs,
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	_tile_type_tunnelbridge_procs,
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	_tile_type_unmovable_procs;
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const TileTypeProcs * const _tile_type_procs[16] = {
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	&_tile_type_clear_procs,
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	&_tile_type_rail_procs,
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	&_tile_type_road_procs,
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	&_tile_type_town_procs,
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	&_tile_type_trees_procs,
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	&_tile_type_station_procs,
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	&_tile_type_water_procs,
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	&_tile_type_dummy_procs,
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	&_tile_type_industry_procs,
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	&_tile_type_tunnelbridge_procs,
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	&_tile_type_unmovable_procs,
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};
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/* landscape slope => sprite */
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const byte _tileh_to_sprite[32] = {
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	0, 1, 2, 3, 4, 5, 6,  7, 8, 9, 10, 11, 12, 13, 14, 0,
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	0, 0, 0, 0, 0, 0, 0, 16, 0, 0,  0, 17,  0, 15, 18, 0,
0
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};
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SnowLine *_snow_line = NULL;
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/**
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 * Applys a foundation to a slope.
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 *
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 * @pre      Foundation and slope must be valid combined.
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 * @param f  The #Foundation.
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 * @param s  The #Slope to modify.
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 * @return   Increment to the tile Z coordinate.
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 */
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uint ApplyFoundationToSlope(Foundation f, Slope *s)
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{
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	if (!IsFoundation(f)) return 0;
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	if (IsLeveledFoundation(f)) {
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		*s = SLOPE_FLAT;
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		return TILE_HEIGHT;
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	}
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	if (f != FOUNDATION_STEEP_BOTH && IsNonContinuousFoundation(f)) {
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		*s = HalftileSlope(*s, GetHalftileFoundationCorner(f));
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		return 0;
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	}
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	if (IsSpecialRailFoundation(f)) {
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		*s = SlopeWithThreeCornersRaised(OppositeCorner(GetRailFoundationCorner(f)));
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		return 0;
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	}
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	uint dz = IsSteepSlope(*s) ? TILE_HEIGHT : 0;
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	Corner highest_corner = GetHighestSlopeCorner(*s);
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	switch (f) {
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		case FOUNDATION_INCLINED_X:
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			*s = (((highest_corner == CORNER_W) || (highest_corner == CORNER_S)) ? SLOPE_SW : SLOPE_NE);
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			break;
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		case FOUNDATION_INCLINED_Y:
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			*s = (((highest_corner == CORNER_S) || (highest_corner == CORNER_E)) ? SLOPE_SE : SLOPE_NW);
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			break;
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		case FOUNDATION_STEEP_LOWER:
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			*s = SlopeWithOneCornerRaised(highest_corner);
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			break;
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		case FOUNDATION_STEEP_BOTH:
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			*s = HalftileSlope(SlopeWithOneCornerRaised(highest_corner), highest_corner);
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			break;
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		default: NOT_REACHED();
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	}
141c6b86ec1f (svn r10698) -Codechange [FS#1082]: simplify the code related to foundations. Primarily removal of (duplicated|magic) code and introduction of few helper functions to ease foundation determination. Patch by frosch.
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   111
	return dz;
141c6b86ec1f (svn r10698) -Codechange [FS#1082]: simplify the code related to foundations. Primarily removal of (duplicated|magic) code and introduction of few helper functions to ease foundation determination. Patch by frosch.
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diff changeset
   112
}
141c6b86ec1f (svn r10698) -Codechange [FS#1082]: simplify the code related to foundations. Primarily removal of (duplicated|magic) code and introduction of few helper functions to ease foundation determination. Patch by frosch.
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diff changeset
   113
0
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   114
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   115
uint GetPartialZ(int x, int y, Slope corners)
0
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   116
{
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   117
	if (IsHalftileSlope(corners)) {
e594296e90f6 (svn r11313) -Codechange: prepare several pieces of code so the can handle some new slopes. Patch by frosch.
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   118
		switch (GetHalftileSlopeCorner(corners)) {
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   119
			case CORNER_W:
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   120
				if (x - y >= 0) return GetSlopeMaxZ(corners);
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   121
				break;
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   122
e594296e90f6 (svn r11313) -Codechange: prepare several pieces of code so the can handle some new slopes. Patch by frosch.
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   123
			case CORNER_S:
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   124
				if (x - (y ^ 0xF) >= 0) return GetSlopeMaxZ(corners);
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   125
				break;
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   126
e594296e90f6 (svn r11313) -Codechange: prepare several pieces of code so the can handle some new slopes. Patch by frosch.
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   127
			case CORNER_E:
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   128
				if (y - x >= 0) return GetSlopeMaxZ(corners);
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   129
				break;
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   130
e594296e90f6 (svn r11313) -Codechange: prepare several pieces of code so the can handle some new slopes. Patch by frosch.
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   131
			case CORNER_N:
e594296e90f6 (svn r11313) -Codechange: prepare several pieces of code so the can handle some new slopes. Patch by frosch.
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   132
				if ((y ^ 0xF) - x >= 0) return GetSlopeMaxZ(corners);
e594296e90f6 (svn r11313) -Codechange: prepare several pieces of code so the can handle some new slopes. Patch by frosch.
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   133
				break;
e594296e90f6 (svn r11313) -Codechange: prepare several pieces of code so the can handle some new slopes. Patch by frosch.
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   134
e594296e90f6 (svn r11313) -Codechange: prepare several pieces of code so the can handle some new slopes. Patch by frosch.
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   135
			default: NOT_REACHED();
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   136
		}
e594296e90f6 (svn r11313) -Codechange: prepare several pieces of code so the can handle some new slopes. Patch by frosch.
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   137
	}
e594296e90f6 (svn r11313) -Codechange: prepare several pieces of code so the can handle some new slopes. Patch by frosch.
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   138
0
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   139
	int z = 0;
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   140
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   141
	switch (corners & ~SLOPE_HALFTILE_MASK) {
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   142
	case SLOPE_W:
0
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   143
		if (x - y >= 0)
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			z = (x - y) >> 1;
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   145
		break;
183
ec2b02ea4c88 (svn r184) -Fix: starting a new game in DesertLandscape crashed the game
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diff changeset
   146
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a36cc46e754d (svn r4541) Add a type for slopes and replace many magic numbers by the appropriate enums
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   147
	case SLOPE_S:
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   148
		y ^= 0xF;
0
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   149
		if ( (x - y) >= 0)
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			z = (x - y) >> 1;
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   151
		break;
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   152
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   153
	case SLOPE_SW:
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   154
		z = (x >> 1) + 1;
0
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   155
		break;
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   156
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   157
	case SLOPE_E:
0
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   158
		if (y - x >= 0)
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   159
			z = (y - x) >> 1;
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   160
		break;
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
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   161
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a36cc46e754d (svn r4541) Add a type for slopes and replace many magic numbers by the appropriate enums
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   162
	case SLOPE_EW:
a36cc46e754d (svn r4541) Add a type for slopes and replace many magic numbers by the appropriate enums
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   163
	case SLOPE_NS:
a36cc46e754d (svn r4541) Add a type for slopes and replace many magic numbers by the appropriate enums
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   164
	case SLOPE_ELEVATED:
0
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   165
		z = 4;
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
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   166
		break;
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
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diff changeset
   167
3636
a36cc46e754d (svn r4541) Add a type for slopes and replace many magic numbers by the appropriate enums
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diff changeset
   168
	case SLOPE_SE:
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00dc414c909d (svn r9672) -Cleanup: lots of coding style fixes around operands.
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diff changeset
   169
		z = (y >> 1) + 1;
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
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   170
		break;
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parents:
diff changeset
   171
3636
a36cc46e754d (svn r4541) Add a type for slopes and replace many magic numbers by the appropriate enums
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diff changeset
   172
	case SLOPE_WSE:
0
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   173
		z = 8;
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00dc414c909d (svn r9672) -Cleanup: lots of coding style fixes around operands.
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diff changeset
   174
		y ^= 0xF;
0
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   175
		if (x - y < 0)
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
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   176
			z += (x - y) >> 1;
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
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   177
		break;
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
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parents:
diff changeset
   178
3636
a36cc46e754d (svn r4541) Add a type for slopes and replace many magic numbers by the appropriate enums
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   179
	case SLOPE_N:
0
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   180
		y ^= 0xF;
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
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   181
		if (y - x >= 0)
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
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diff changeset
   182
			z = (y - x) >> 1;
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
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parents:
diff changeset
   183
		break;
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
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parents:
diff changeset
   184
3636
a36cc46e754d (svn r4541) Add a type for slopes and replace many magic numbers by the appropriate enums
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diff changeset
   185
	case SLOPE_NW:
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00dc414c909d (svn r9672) -Cleanup: lots of coding style fixes around operands.
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diff changeset
   186
		z = (y ^ 0xF) >> 1;
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
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diff changeset
   187
		break;
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
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parents:
diff changeset
   188
3636
a36cc46e754d (svn r4541) Add a type for slopes and replace many magic numbers by the appropriate enums
tron
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diff changeset
   189
	case SLOPE_NWS:
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
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diff changeset
   190
		z = 8;
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
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parents:
diff changeset
   191
		if (x - y < 0)
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
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parents:
diff changeset
   192
			z += (x - y) >> 1;
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
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parents:
diff changeset
   193
		break;
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
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parents:
diff changeset
   194
3636
a36cc46e754d (svn r4541) Add a type for slopes and replace many magic numbers by the appropriate enums
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diff changeset
   195
	case SLOPE_NE:
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00dc414c909d (svn r9672) -Cleanup: lots of coding style fixes around operands.
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parents: 6357
diff changeset
   196
		z = (x ^ 0xF) >> 1;
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
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parents:
diff changeset
   197
		break;
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   198
3636
a36cc46e754d (svn r4541) Add a type for slopes and replace many magic numbers by the appropriate enums
tron
parents: 3529
diff changeset
   199
	case SLOPE_ENW:
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
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diff changeset
   200
		z = 8;
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
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parents:
diff changeset
   201
		y ^= 0xF;
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
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parents:
diff changeset
   202
		if (y - x < 0)
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
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parents:
diff changeset
   203
			z += (y - x) >> 1;
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   204
		break;
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   205
3636
a36cc46e754d (svn r4541) Add a type for slopes and replace many magic numbers by the appropriate enums
tron
parents: 3529
diff changeset
   206
	case SLOPE_SEN:
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
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parents:
diff changeset
   207
		z = 8;
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
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parents:
diff changeset
   208
		if (y - x < 0)
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
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parents:
diff changeset
   209
			z += (y - x) >> 1;
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
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parents:
diff changeset
   210
		break;
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   211
3636
a36cc46e754d (svn r4541) Add a type for slopes and replace many magic numbers by the appropriate enums
tron
parents: 3529
diff changeset
   212
	case SLOPE_STEEP_S:
6491
00dc414c909d (svn r9672) -Cleanup: lots of coding style fixes around operands.
rubidium
parents: 6357
diff changeset
   213
		z = 1 + ((x + y) >> 1);
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
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parents:
diff changeset
   214
		break;
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   215
3636
a36cc46e754d (svn r4541) Add a type for slopes and replace many magic numbers by the appropriate enums
tron
parents: 3529
diff changeset
   216
	case SLOPE_STEEP_W:
6491
00dc414c909d (svn r9672) -Cleanup: lots of coding style fixes around operands.
rubidium
parents: 6357
diff changeset
   217
		z = 1 + ((x + (y ^ 0xF)) >> 1);
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
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parents:
diff changeset
   218
		break;
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   219
3636
a36cc46e754d (svn r4541) Add a type for slopes and replace many magic numbers by the appropriate enums
tron
parents: 3529
diff changeset
   220
	case SLOPE_STEEP_N:
6491
00dc414c909d (svn r9672) -Cleanup: lots of coding style fixes around operands.
rubidium
parents: 6357
diff changeset
   221
		z = 1 + (((x ^ 0xF) + (y ^ 0xF)) >> 1);
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   222
		break;
183
ec2b02ea4c88 (svn r184) -Fix: starting a new game in DesertLandscape crashed the game
truelight
parents: 159
diff changeset
   223
3636
a36cc46e754d (svn r4541) Add a type for slopes and replace many magic numbers by the appropriate enums
tron
parents: 3529
diff changeset
   224
	case SLOPE_STEEP_E:
7304
173699789cc3 (svn r10656) -Fix [FS#1068]: GetPartialZ returned wrong value for SLOPE_STEEP_E (frosch)
truelight
parents: 7043
diff changeset
   225
		z = 1 + (((x ^ 0xF) + y) >> 1);
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   226
		break;
3636
a36cc46e754d (svn r4541) Add a type for slopes and replace many magic numbers by the appropriate enums
tron
parents: 3529
diff changeset
   227
a36cc46e754d (svn r4541) Add a type for slopes and replace many magic numbers by the appropriate enums
tron
parents: 3529
diff changeset
   228
		default: break;
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
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parents:
diff changeset
   229
	}
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
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parents:
diff changeset
   230
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
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parents:
diff changeset
   231
	return z;
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
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parents:
diff changeset
   232
}
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
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diff changeset
   233
2951
2de6d3a59743 (svn r3510) Fiddle with whitespace and parentheses
tron
parents: 2934
diff changeset
   234
uint GetSlopeZ(int x, int y)
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   235
{
4231
2823b3643862 (svn r5794) Pass the TileIndex plus x and y coordinates into GetSlopeZ_* instead of a TileInfo
tron
parents: 4191
diff changeset
   236
	TileIndex tile = TileVirtXY(x, y);
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
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parents:
diff changeset
   237
4231
2823b3643862 (svn r5794) Pass the TileIndex plus x and y coordinates into GetSlopeZ_* instead of a TileInfo
tron
parents: 4191
diff changeset
   238
	return _tile_type_procs[GetTileType(tile)]->get_slope_z_proc(tile, x, y);
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
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parents:
diff changeset
   239
}
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   240
7728
68e794385dc9 (svn r11263) -Codechange: Reduce code duplication between DrawBridgePillars and HasFoundation{NW|NE}. Patch by frosch.
rubidium
parents: 7678
diff changeset
   241
/**
7770
320d260ff1a1 (svn r11319) -Add: halftile- and anti-zig-zag-foundations. Patch by frosch.
rubidium
parents: 7767
diff changeset
   242
 * Determine the Z height of a corner relative to TileZ.
320d260ff1a1 (svn r11319) -Add: halftile- and anti-zig-zag-foundations. Patch by frosch.
rubidium
parents: 7767
diff changeset
   243
 *
320d260ff1a1 (svn r11319) -Add: halftile- and anti-zig-zag-foundations. Patch by frosch.
rubidium
parents: 7767
diff changeset
   244
 * @pre The slope must not be a halftile slope.
320d260ff1a1 (svn r11319) -Add: halftile- and anti-zig-zag-foundations. Patch by frosch.
rubidium
parents: 7767
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 *
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 * @param tileh The slope.
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 * @param corner The corner.
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 * @return Z position of corner relative to TileZ.
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 */
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int GetSlopeZInCorner(Slope tileh, Corner corner)
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{
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	assert(!IsHalftileSlope(tileh));
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	static const int _corner_slopes[4][2] = {
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		{ SLOPE_W, SLOPE_STEEP_W }, { SLOPE_S, SLOPE_STEEP_S }, { SLOPE_E, SLOPE_STEEP_E }, { SLOPE_N, SLOPE_STEEP_N }
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	};
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	return ((tileh & _corner_slopes[corner][0]) != 0 ? TILE_HEIGHT : 0) + (tileh == _corner_slopes[corner][1] ? TILE_HEIGHT : 0);
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}
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/**
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 * Determine the Z height of the corners of a specific tile edge
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 *
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 * @note If a tile has a non-continuous halftile foundation, a corner can have different heights wrt. it's edges.
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 *
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 * @pre z1 and z2 must be initialized (typ. with TileZ). The corner heights just get added.
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 *
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 * @param tileh The slope of the tile.
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 * @param edge The edge of interest.
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 * @param z1 Gets incremented by the height of the first corner of the edge. (near corner wrt. the camera)
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 * @param z2 Gets incremented by the height of the second corner of the edge. (far corner wrt. the camera)
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 */
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void GetSlopeZOnEdge(Slope tileh, DiagDirection edge, int *z1, int *z2)
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{
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	static const Slope corners[4][4] = {
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		/*    corner     |          steep slope
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		 *  z1      z2   |       z1             z2        */
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		{SLOPE_E, SLOPE_N, SLOPE_STEEP_E, SLOPE_STEEP_N}, // DIAGDIR_NE, z1 = E, z2 = N
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		{SLOPE_S, SLOPE_E, SLOPE_STEEP_S, SLOPE_STEEP_E}, // DIAGDIR_SE, z1 = S, z2 = E
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		{SLOPE_S, SLOPE_W, SLOPE_STEEP_S, SLOPE_STEEP_W}, // DIAGDIR_SW, z1 = S, z2 = W
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		{SLOPE_W, SLOPE_N, SLOPE_STEEP_W, SLOPE_STEEP_N}, // DIAGDIR_NW, z1 = W, z2 = N
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	};
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	int halftile_test = (IsHalftileSlope(tileh) ? SlopeWithOneCornerRaised(GetHalftileSlopeCorner(tileh)) : 0);
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	if (halftile_test == corners[edge][0]) *z2 += TILE_HEIGHT; // The slope is non-continuous in z2. z2 is on the upper side.
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	if (halftile_test == corners[edge][1]) *z1 += TILE_HEIGHT; // The slope is non-continuous in z1. z1 is on the upper side.
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	if ((tileh & corners[edge][0]) != 0) *z1 += TILE_HEIGHT; // z1 is raised
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	if ((tileh & corners[edge][1]) != 0) *z2 += TILE_HEIGHT; // z2 is raised
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	if ((tileh & ~SLOPE_HALFTILE_MASK) == corners[edge][2]) *z1 += TILE_HEIGHT; // z1 is highest corner of a steep slope
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	if ((tileh & ~SLOPE_HALFTILE_MASK) == corners[edge][3]) *z2 += TILE_HEIGHT; // z2 is highest corner of a steep slope
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}
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static Slope GetFoundationSlope(TileIndex tile, uint* z)
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{
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	Slope tileh = GetTileSlope(tile, z);
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	Foundation f = _tile_type_procs[GetTileType(tile)]->get_foundation_proc(tile, tileh);
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	*z += ApplyFoundationToSlope(f, &tileh);
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	return tileh;
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}
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static bool HasFoundationNW(TileIndex tile, Slope slope_here, uint z_here)
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{
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	uint z;
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	int z_W_here = z_here;
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	int z_N_here = z_here;
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	GetSlopeZOnEdge(slope_here, DIAGDIR_NW, &z_W_here, &z_N_here);
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	Slope slope = GetFoundationSlope(TILE_ADDXY(tile, 0, -1), &z);
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	int z_W = z;
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	int z_N = z;
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	GetSlopeZOnEdge(slope, DIAGDIR_SE, &z_W, &z_N);
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	return (z_N_here > z_N) || (z_W_here > z_W);
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}
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static bool HasFoundationNE(TileIndex tile, Slope slope_here, uint z_here)
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{
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	uint z;
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	int z_E_here = z_here;
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	int z_N_here = z_here;
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	GetSlopeZOnEdge(slope_here, DIAGDIR_NE, &z_E_here, &z_N_here);
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	Slope slope = GetFoundationSlope(TILE_ADDXY(tile, -1, 0), &z);
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	int z_E = z;
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	int z_N = z;
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	GetSlopeZOnEdge(slope, DIAGDIR_SW, &z_E, &z_N);
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	return (z_N_here > z_N) || (z_E_here > z_E);
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}
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void DrawFoundation(TileInfo *ti, Foundation f)
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{
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	if (!IsFoundation(f)) return;
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	/* Two part foundations must be drawn separately */
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	assert(f != FOUNDATION_STEEP_BOTH);
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	uint sprite_block = 0;
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	uint z;
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	Slope slope = GetFoundationSlope(ti->tile, &z);
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	/* Select the needed block of foundations sprites
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	 * Block 0: Walls at NW and NE edge
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	 * Block 1: Wall  at        NE edge
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	 * Block 2: Wall  at NW        edge
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	 * Block 3: No walls at NW or NE edge
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	 */
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	if (!HasFoundationNW(ti->tile, slope, z)) sprite_block += 1;
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   353
	if (!HasFoundationNE(ti->tile, slope, z)) sprite_block += 2;
9866e9700e62 (svn r11316) -Codechange: add support for the half-tile (selection) graphics.
rubidium
parents: 7764
diff changeset
   354
9866e9700e62 (svn r11316) -Codechange: add support for the half-tile (selection) graphics.
rubidium
parents: 7764
diff changeset
   355
	/* Use the original slope sprites if NW and NE borders should be visible */
9866e9700e62 (svn r11316) -Codechange: add support for the half-tile (selection) graphics.
rubidium
parents: 7764
diff changeset
   356
	SpriteID leveled_base = (sprite_block == 0 ? (int)SPR_FOUNDATION_BASE : (SPR_SLOPES_VIRTUAL_BASE + sprite_block * SPR_TRKFOUND_BLOCK_SIZE));
9866e9700e62 (svn r11316) -Codechange: add support for the half-tile (selection) graphics.
rubidium
parents: 7764
diff changeset
   357
	SpriteID inclined_base = SPR_SLOPES_VIRTUAL_BASE + SPR_SLOPES_INCLINED_OFFSET + sprite_block * SPR_TRKFOUND_BLOCK_SIZE;
7770
320d260ff1a1 (svn r11319) -Add: halftile- and anti-zig-zag-foundations. Patch by frosch.
rubidium
parents: 7767
diff changeset
   358
	SpriteID halftile_base = SPR_HALFTILE_FOUNDATION_BASE + sprite_block * SPR_HALFTILE_BLOCK_SIZE;
37
61bf1df68d82 (svn r38) Preliminary slopes graphics fix. Neighboring tile check not done yet
dominik
parents: 0
diff changeset
   359
4253
b468db807b66 (svn r5864) -Feature: Also allow horizontal and vertical rails on steep slopes
tron
parents: 4246
diff changeset
   360
	if (IsSteepSlope(ti->tileh)) {
7770
320d260ff1a1 (svn r11319) -Add: halftile- and anti-zig-zag-foundations. Patch by frosch.
rubidium
parents: 7767
diff changeset
   361
		if (!IsNonContinuousFoundation(f)) {
320d260ff1a1 (svn r11319) -Add: halftile- and anti-zig-zag-foundations. Patch by frosch.
rubidium
parents: 7767
diff changeset
   362
			/* Lower part of foundation */
320d260ff1a1 (svn r11319) -Add: halftile- and anti-zig-zag-foundations. Patch by frosch.
rubidium
parents: 7767
diff changeset
   363
			AddSortableSpriteToDraw(
320d260ff1a1 (svn r11319) -Add: halftile- and anti-zig-zag-foundations. Patch by frosch.
rubidium
parents: 7767
diff changeset
   364
				leveled_base + (ti->tileh & ~SLOPE_STEEP), PAL_NONE, ti->x, ti->y, 16, 16, 7, ti->z
320d260ff1a1 (svn r11319) -Add: halftile- and anti-zig-zag-foundations. Patch by frosch.
rubidium
parents: 7767
diff changeset
   365
			);
320d260ff1a1 (svn r11319) -Add: halftile- and anti-zig-zag-foundations. Patch by frosch.
rubidium
parents: 7767
diff changeset
   366
		}
7335
141c6b86ec1f (svn r10698) -Codechange [FS#1082]: simplify the code related to foundations. Primarily removal of (duplicated|magic) code and introduction of few helper functions to ease foundation determination. Patch by frosch.
rubidium
parents: 7304
diff changeset
   367
7678
8917067dde87 (svn r11209) -Codechange: remove some magic numbers and bit magic with appropriate enums and functions. Patch by frosch.
rubidium
parents: 7335
diff changeset
   368
		Corner highest_corner = GetHighestSlopeCorner(ti->tileh);
7335
141c6b86ec1f (svn r10698) -Codechange [FS#1082]: simplify the code related to foundations. Primarily removal of (duplicated|magic) code and introduction of few helper functions to ease foundation determination. Patch by frosch.
rubidium
parents: 7304
diff changeset
   369
		ti->z += ApplyFoundationToSlope(f, &ti->tileh);
141c6b86ec1f (svn r10698) -Codechange [FS#1082]: simplify the code related to foundations. Primarily removal of (duplicated|magic) code and introduction of few helper functions to ease foundation determination. Patch by frosch.
rubidium
parents: 7304
diff changeset
   370
141c6b86ec1f (svn r10698) -Codechange [FS#1082]: simplify the code related to foundations. Primarily removal of (duplicated|magic) code and introduction of few helper functions to ease foundation determination. Patch by frosch.
rubidium
parents: 7304
diff changeset
   371
		if (IsInclinedFoundation(f)) {
141c6b86ec1f (svn r10698) -Codechange [FS#1082]: simplify the code related to foundations. Primarily removal of (duplicated|magic) code and introduction of few helper functions to ease foundation determination. Patch by frosch.
rubidium
parents: 7304
diff changeset
   372
			/* inclined foundation */
141c6b86ec1f (svn r10698) -Codechange [FS#1082]: simplify the code related to foundations. Primarily removal of (duplicated|magic) code and introduction of few helper functions to ease foundation determination. Patch by frosch.
rubidium
parents: 7304
diff changeset
   373
			byte inclined = highest_corner * 2 + (f == FOUNDATION_INCLINED_Y ? 1 : 0);
141c6b86ec1f (svn r10698) -Codechange [FS#1082]: simplify the code related to foundations. Primarily removal of (duplicated|magic) code and introduction of few helper functions to ease foundation determination. Patch by frosch.
rubidium
parents: 7304
diff changeset
   374
7767
9866e9700e62 (svn r11316) -Codechange: add support for the half-tile (selection) graphics.
rubidium
parents: 7764
diff changeset
   375
			AddSortableSpriteToDraw(inclined_base + inclined, PAL_NONE, ti->x, ti->y, 16, 16, 1, ti->z);
4253
b468db807b66 (svn r5864) -Feature: Also allow horizontal and vertical rails on steep slopes
tron
parents: 4246
diff changeset
   376
			OffsetGroundSprite(31, 9);
7770
320d260ff1a1 (svn r11319) -Add: halftile- and anti-zig-zag-foundations. Patch by frosch.
rubidium
parents: 7767
diff changeset
   377
		} else if (f == FOUNDATION_STEEP_LOWER) {
6201
bee01dc45e39 (svn r8987) -Cleanup: doxygen changes. Again. Mostly (still) @files missing tags and (more than just) a few comments style.
belugas
parents: 6106
diff changeset
   378
			/* one corner raised */
4253
b468db807b66 (svn r5864) -Feature: Also allow horizontal and vertical rails on steep slopes
tron
parents: 4246
diff changeset
   379
			OffsetGroundSprite(31, 1);
7770
320d260ff1a1 (svn r11319) -Add: halftile- and anti-zig-zag-foundations. Patch by frosch.
rubidium
parents: 7767
diff changeset
   380
		} else {
320d260ff1a1 (svn r11319) -Add: halftile- and anti-zig-zag-foundations. Patch by frosch.
rubidium
parents: 7767
diff changeset
   381
			/* halftile foundation */
320d260ff1a1 (svn r11319) -Add: halftile- and anti-zig-zag-foundations. Patch by frosch.
rubidium
parents: 7767
diff changeset
   382
			int x_bb = (((highest_corner == CORNER_W) || (highest_corner == CORNER_S)) ? 8 : 0);
320d260ff1a1 (svn r11319) -Add: halftile- and anti-zig-zag-foundations. Patch by frosch.
rubidium
parents: 7767
diff changeset
   383
			int y_bb = (((highest_corner == CORNER_S) || (highest_corner == CORNER_E)) ? 8 : 0);
320d260ff1a1 (svn r11319) -Add: halftile- and anti-zig-zag-foundations. Patch by frosch.
rubidium
parents: 7767
diff changeset
   384
320d260ff1a1 (svn r11319) -Add: halftile- and anti-zig-zag-foundations. Patch by frosch.
rubidium
parents: 7767
diff changeset
   385
			AddSortableSpriteToDraw(halftile_base + highest_corner, PAL_NONE, ti->x + x_bb, ti->y + y_bb, 8, 8, 7, ti->z + TILE_HEIGHT);
320d260ff1a1 (svn r11319) -Add: halftile- and anti-zig-zag-foundations. Patch by frosch.
rubidium
parents: 7767
diff changeset
   386
			OffsetGroundSprite(31, 9);
4253
b468db807b66 (svn r5864) -Feature: Also allow horizontal and vertical rails on steep slopes
tron
parents: 4246
diff changeset
   387
		}
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   388
	} else {
7335
141c6b86ec1f (svn r10698) -Codechange [FS#1082]: simplify the code related to foundations. Primarily removal of (duplicated|magic) code and introduction of few helper functions to ease foundation determination. Patch by frosch.
rubidium
parents: 7304
diff changeset
   389
		if (IsLeveledFoundation(f)) {
7767
9866e9700e62 (svn r11316) -Codechange: add support for the half-tile (selection) graphics.
rubidium
parents: 7764
diff changeset
   390
			/* leveled foundation */
9866e9700e62 (svn r11316) -Codechange: add support for the half-tile (selection) graphics.
rubidium
parents: 7764
diff changeset
   391
			AddSortableSpriteToDraw(leveled_base + ti->tileh, PAL_NONE, ti->x, ti->y, 16, 16, 7, ti->z);
4253
b468db807b66 (svn r5864) -Feature: Also allow horizontal and vertical rails on steep slopes
tron
parents: 4246
diff changeset
   392
			OffsetGroundSprite(31, 1);
7770
320d260ff1a1 (svn r11319) -Add: halftile- and anti-zig-zag-foundations. Patch by frosch.
rubidium
parents: 7767
diff changeset
   393
		} else if (IsNonContinuousFoundation(f)) {
320d260ff1a1 (svn r11319) -Add: halftile- and anti-zig-zag-foundations. Patch by frosch.
rubidium
parents: 7767
diff changeset
   394
			/* halftile foundation */
320d260ff1a1 (svn r11319) -Add: halftile- and anti-zig-zag-foundations. Patch by frosch.
rubidium
parents: 7767
diff changeset
   395
			Corner halftile_corner = GetHalftileFoundationCorner(f);
320d260ff1a1 (svn r11319) -Add: halftile- and anti-zig-zag-foundations. Patch by frosch.
rubidium
parents: 7767
diff changeset
   396
			int x_bb = (((halftile_corner == CORNER_W) || (halftile_corner == CORNER_S)) ? 8 : 0);
320d260ff1a1 (svn r11319) -Add: halftile- and anti-zig-zag-foundations. Patch by frosch.
rubidium
parents: 7767
diff changeset
   397
			int y_bb = (((halftile_corner == CORNER_S) || (halftile_corner == CORNER_E)) ? 8 : 0);
320d260ff1a1 (svn r11319) -Add: halftile- and anti-zig-zag-foundations. Patch by frosch.
rubidium
parents: 7767
diff changeset
   398
320d260ff1a1 (svn r11319) -Add: halftile- and anti-zig-zag-foundations. Patch by frosch.
rubidium
parents: 7767
diff changeset
   399
			AddSortableSpriteToDraw(halftile_base + halftile_corner, PAL_NONE, ti->x + x_bb, ti->y + y_bb, 8, 8, 7, ti->z);
320d260ff1a1 (svn r11319) -Add: halftile- and anti-zig-zag-foundations. Patch by frosch.
rubidium
parents: 7767
diff changeset
   400
			OffsetGroundSprite(31, 9);
320d260ff1a1 (svn r11319) -Add: halftile- and anti-zig-zag-foundations. Patch by frosch.
rubidium
parents: 7767
diff changeset
   401
		} else if (IsSpecialRailFoundation(f)) {
320d260ff1a1 (svn r11319) -Add: halftile- and anti-zig-zag-foundations. Patch by frosch.
rubidium
parents: 7767
diff changeset
   402
			/* anti-zig-zag foundation */
320d260ff1a1 (svn r11319) -Add: halftile- and anti-zig-zag-foundations. Patch by frosch.
rubidium
parents: 7767
diff changeset
   403
			SpriteID spr;
320d260ff1a1 (svn r11319) -Add: halftile- and anti-zig-zag-foundations. Patch by frosch.
rubidium
parents: 7767
diff changeset
   404
			if (ti->tileh == SLOPE_NS || ti->tileh == SLOPE_EW) {
320d260ff1a1 (svn r11319) -Add: halftile- and anti-zig-zag-foundations. Patch by frosch.
rubidium
parents: 7767
diff changeset
   405
				/* half of leveled foundation under track corner */
320d260ff1a1 (svn r11319) -Add: halftile- and anti-zig-zag-foundations. Patch by frosch.
rubidium
parents: 7767
diff changeset
   406
				spr = leveled_base + SlopeWithThreeCornersRaised(GetRailFoundationCorner(f));
320d260ff1a1 (svn r11319) -Add: halftile- and anti-zig-zag-foundations. Patch by frosch.
rubidium
parents: 7767
diff changeset
   407
			} else {
320d260ff1a1 (svn r11319) -Add: halftile- and anti-zig-zag-foundations. Patch by frosch.
rubidium
parents: 7767
diff changeset
   408
				/* tile-slope = sloped along X/Y, foundation-slope = three corners raised */
320d260ff1a1 (svn r11319) -Add: halftile- and anti-zig-zag-foundations. Patch by frosch.
rubidium
parents: 7767
diff changeset
   409
				spr = inclined_base + 2 * GetRailFoundationCorner(f) + ((ti->tileh == SLOPE_SW || ti->tileh == SLOPE_NE) ? 1 : 0);
320d260ff1a1 (svn r11319) -Add: halftile- and anti-zig-zag-foundations. Patch by frosch.
rubidium
parents: 7767
diff changeset
   410
			}
320d260ff1a1 (svn r11319) -Add: halftile- and anti-zig-zag-foundations. Patch by frosch.
rubidium
parents: 7767
diff changeset
   411
			AddSortableSpriteToDraw(spr, PAL_NONE, ti->x, ti->y, 16, 16, 7, ti->z);
320d260ff1a1 (svn r11319) -Add: halftile- and anti-zig-zag-foundations. Patch by frosch.
rubidium
parents: 7767
diff changeset
   412
			OffsetGroundSprite(31, 9);
4253
b468db807b66 (svn r5864) -Feature: Also allow horizontal and vertical rails on steep slopes
tron
parents: 4246
diff changeset
   413
		} else {
6201
bee01dc45e39 (svn r8987) -Cleanup: doxygen changes. Again. Mostly (still) @files missing tags and (more than just) a few comments style.
belugas
parents: 6106
diff changeset
   414
			/* inclined foundation */
7335
141c6b86ec1f (svn r10698) -Codechange [FS#1082]: simplify the code related to foundations. Primarily removal of (duplicated|magic) code and introduction of few helper functions to ease foundation determination. Patch by frosch.
rubidium
parents: 7304
diff changeset
   415
			byte inclined = GetHighestSlopeCorner(ti->tileh) * 2 + (f == FOUNDATION_INCLINED_Y ? 1 : 0);
141c6b86ec1f (svn r10698) -Codechange [FS#1082]: simplify the code related to foundations. Primarily removal of (duplicated|magic) code and introduction of few helper functions to ease foundation determination. Patch by frosch.
rubidium
parents: 7304
diff changeset
   416
7767
9866e9700e62 (svn r11316) -Codechange: add support for the half-tile (selection) graphics.
rubidium
parents: 7764
diff changeset
   417
			AddSortableSpriteToDraw(inclined_base + inclined, PAL_NONE, ti->x, ti->y, 16, 16, 1, ti->z);
4253
b468db807b66 (svn r5864) -Feature: Also allow horizontal and vertical rails on steep slopes
tron
parents: 4246
diff changeset
   418
			OffsetGroundSprite(31, 9);
4246
6dcc0e44a367 (svn r5833) -Feature: Allow building of (certain) rails, roads and bridge ramps on steep sloped tiles
tron
parents: 4240
diff changeset
   419
		}
7335
141c6b86ec1f (svn r10698) -Codechange [FS#1082]: simplify the code related to foundations. Primarily removal of (duplicated|magic) code and introduction of few helper functions to ease foundation determination. Patch by frosch.
rubidium
parents: 7304
diff changeset
   420
		ti->z += ApplyFoundationToSlope(f, &ti->tileh);
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   421
	}
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   422
}
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   423
1589
bac29165710f (svn r2093) uint -> TileIndex, remove commented out code and a local variable, which was only used once
tron
parents: 1384
diff changeset
   424
void DoClearSquare(TileIndex tile)
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   425
{
3447
1c62c085638a (svn r4279) s/\<CL_/CLEAR_/
tron
parents: 3422
diff changeset
   426
	MakeClear(tile, CLEAR_GRASS, _generating_world ? 3 : 0);
2955
24de69e236d2 (svn r3514) -Codechange: Replace direct fiddling of bits for the ground type and density of clear tiles with symbolic names and accessors.
tron
parents: 2952
diff changeset
   427
	MarkTileDirtyByTile(tile);
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   428
}
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   429
6683
b88ae30866ce (svn r9914) -Codechange: prepare GTTS and the pathfinders to handle multiple road types on a single tile.
rubidium
parents: 6491
diff changeset
   430
uint32 GetTileTrackStatus(TileIndex tile, TransportType mode, uint sub_mode)
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   431
{
6683
b88ae30866ce (svn r9914) -Codechange: prepare GTTS and the pathfinders to handle multiple road types on a single tile.
rubidium
parents: 6491
diff changeset
   432
	return _tile_type_procs[GetTileType(tile)]->get_tile_track_status_proc(tile, mode, sub_mode);
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   433
}
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   434
5587
167d9a91ef02 (svn r8038) -Merge: the cpp branch. Effort of KUDr, Celestar, glx, Smoovius, stillunknown and pv2b.
rubidium
parents: 5584
diff changeset
   435
void ChangeTileOwner(TileIndex tile, PlayerID old_player, PlayerID new_player)
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   436
{
1214
8262981ac274 (svn r1718) Use the enum TileType as parameter/return type for [GS]etTileType() instead of plain int.
tron
parents: 1211
diff changeset
   437
	_tile_type_procs[GetTileType(tile)]->change_tile_owner_proc(tile, old_player, new_player);
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   438
}
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   439
1589
bac29165710f (svn r2093) uint -> TileIndex, remove commented out code and a local variable, which was only used once
tron
parents: 1384
diff changeset
   440
void GetAcceptedCargo(TileIndex tile, AcceptedCargo ac)
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   441
{
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   442
	memset(ac, 0, sizeof(AcceptedCargo));
1214
8262981ac274 (svn r1718) Use the enum TileType as parameter/return type for [GS]etTileType() instead of plain int.
tron
parents: 1211
diff changeset
   443
	_tile_type_procs[GetTileType(tile)]->get_accepted_cargo_proc(tile, ac);
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   444
}
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   445
1589
bac29165710f (svn r2093) uint -> TileIndex, remove commented out code and a local variable, which was only used once
tron
parents: 1384
diff changeset
   446
void AnimateTile(TileIndex tile)
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   447
{
1214
8262981ac274 (svn r1718) Use the enum TileType as parameter/return type for [GS]etTileType() instead of plain int.
tron
parents: 1211
diff changeset
   448
	_tile_type_procs[GetTileType(tile)]->animate_tile_proc(tile);
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   449
}
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   450
1589
bac29165710f (svn r2093) uint -> TileIndex, remove commented out code and a local variable, which was only used once
tron
parents: 1384
diff changeset
   451
void ClickTile(TileIndex tile)
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   452
{
1214
8262981ac274 (svn r1718) Use the enum TileType as parameter/return type for [GS]etTileType() instead of plain int.
tron
parents: 1211
diff changeset
   453
	_tile_type_procs[GetTileType(tile)]->click_tile_proc(tile);
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   454
}
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   455
1589
bac29165710f (svn r2093) uint -> TileIndex, remove commented out code and a local variable, which was only used once
tron
parents: 1384
diff changeset
   456
void GetTileDesc(TileIndex tile, TileDesc *td)
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   457
{
1214
8262981ac274 (svn r1718) Use the enum TileType as parameter/return type for [GS]etTileType() instead of plain int.
tron
parents: 1211
diff changeset
   458
	_tile_type_procs[GetTileType(tile)]->get_tile_desc_proc(tile, td);
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   459
}
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   460
6343
76d17f784c13 (svn r9371) -Feature: Add support for variable snow lines in the arctic climate, supplied
maedhros
parents: 6247
diff changeset
   461
/**
76d17f784c13 (svn r9371) -Feature: Add support for variable snow lines in the arctic climate, supplied
maedhros
parents: 6247
diff changeset
   462
 * Has a snow line table already been loaded.
76d17f784c13 (svn r9371) -Feature: Add support for variable snow lines in the arctic climate, supplied
maedhros
parents: 6247
diff changeset
   463
 * @return true if the table has been loaded already.
76d17f784c13 (svn r9371) -Feature: Add support for variable snow lines in the arctic climate, supplied
maedhros
parents: 6247
diff changeset
   464
 */
76d17f784c13 (svn r9371) -Feature: Add support for variable snow lines in the arctic climate, supplied
maedhros
parents: 6247
diff changeset
   465
bool IsSnowLineSet(void)
76d17f784c13 (svn r9371) -Feature: Add support for variable snow lines in the arctic climate, supplied
maedhros
parents: 6247
diff changeset
   466
{
76d17f784c13 (svn r9371) -Feature: Add support for variable snow lines in the arctic climate, supplied
maedhros
parents: 6247
diff changeset
   467
	return _snow_line != NULL;
76d17f784c13 (svn r9371) -Feature: Add support for variable snow lines in the arctic climate, supplied
maedhros
parents: 6247
diff changeset
   468
}
76d17f784c13 (svn r9371) -Feature: Add support for variable snow lines in the arctic climate, supplied
maedhros
parents: 6247
diff changeset
   469
76d17f784c13 (svn r9371) -Feature: Add support for variable snow lines in the arctic climate, supplied
maedhros
parents: 6247
diff changeset
   470
/**
76d17f784c13 (svn r9371) -Feature: Add support for variable snow lines in the arctic climate, supplied
maedhros
parents: 6247
diff changeset
   471
 * Set a variable snow line, as loaded from a newgrf file.
76d17f784c13 (svn r9371) -Feature: Add support for variable snow lines in the arctic climate, supplied
maedhros
parents: 6247
diff changeset
   472
 * @param table the 12 * 32 byte table containing the snowline for each day
76d17f784c13 (svn r9371) -Feature: Add support for variable snow lines in the arctic climate, supplied
maedhros
parents: 6247
diff changeset
   473
 */
76d17f784c13 (svn r9371) -Feature: Add support for variable snow lines in the arctic climate, supplied
maedhros
parents: 6247
diff changeset
   474
void SetSnowLine(byte table[SNOW_LINE_MONTHS][SNOW_LINE_DAYS])
76d17f784c13 (svn r9371) -Feature: Add support for variable snow lines in the arctic climate, supplied
maedhros
parents: 6247
diff changeset
   475
{
76d17f784c13 (svn r9371) -Feature: Add support for variable snow lines in the arctic climate, supplied
maedhros
parents: 6247
diff changeset
   476
	_snow_line = CallocT<SnowLine>(1);
76d17f784c13 (svn r9371) -Feature: Add support for variable snow lines in the arctic climate, supplied
maedhros
parents: 6247
diff changeset
   477
	memcpy(_snow_line->table, table, sizeof(_snow_line->table));
76d17f784c13 (svn r9371) -Feature: Add support for variable snow lines in the arctic climate, supplied
maedhros
parents: 6247
diff changeset
   478
76d17f784c13 (svn r9371) -Feature: Add support for variable snow lines in the arctic climate, supplied
maedhros
parents: 6247
diff changeset
   479
	for (uint i = 0; i < SNOW_LINE_MONTHS; i++) {
76d17f784c13 (svn r9371) -Feature: Add support for variable snow lines in the arctic climate, supplied
maedhros
parents: 6247
diff changeset
   480
		for (uint j = 0; j < SNOW_LINE_DAYS; j++) {
76d17f784c13 (svn r9371) -Feature: Add support for variable snow lines in the arctic climate, supplied
maedhros
parents: 6247
diff changeset
   481
			_snow_line->highest_value = max(_snow_line->highest_value, table[i][j]);
76d17f784c13 (svn r9371) -Feature: Add support for variable snow lines in the arctic climate, supplied
maedhros
parents: 6247
diff changeset
   482
		}
76d17f784c13 (svn r9371) -Feature: Add support for variable snow lines in the arctic climate, supplied
maedhros
parents: 6247
diff changeset
   483
	}
76d17f784c13 (svn r9371) -Feature: Add support for variable snow lines in the arctic climate, supplied
maedhros
parents: 6247
diff changeset
   484
}
76d17f784c13 (svn r9371) -Feature: Add support for variable snow lines in the arctic climate, supplied
maedhros
parents: 6247
diff changeset
   485
76d17f784c13 (svn r9371) -Feature: Add support for variable snow lines in the arctic climate, supplied
maedhros
parents: 6247
diff changeset
   486
/**
76d17f784c13 (svn r9371) -Feature: Add support for variable snow lines in the arctic climate, supplied
maedhros
parents: 6247
diff changeset
   487
 * Get the current snow line, either variable or static.
76d17f784c13 (svn r9371) -Feature: Add support for variable snow lines in the arctic climate, supplied
maedhros
parents: 6247
diff changeset
   488
 * @return the snow line height.
76d17f784c13 (svn r9371) -Feature: Add support for variable snow lines in the arctic climate, supplied
maedhros
parents: 6247
diff changeset
   489
 */
76d17f784c13 (svn r9371) -Feature: Add support for variable snow lines in the arctic climate, supplied
maedhros
parents: 6247
diff changeset
   490
byte GetSnowLine(void)
76d17f784c13 (svn r9371) -Feature: Add support for variable snow lines in the arctic climate, supplied
maedhros
parents: 6247
diff changeset
   491
{
76d17f784c13 (svn r9371) -Feature: Add support for variable snow lines in the arctic climate, supplied
maedhros
parents: 6247
diff changeset
   492
	if (_snow_line == NULL) return _opt.snow_line;
76d17f784c13 (svn r9371) -Feature: Add support for variable snow lines in the arctic climate, supplied
maedhros
parents: 6247
diff changeset
   493
76d17f784c13 (svn r9371) -Feature: Add support for variable snow lines in the arctic climate, supplied
maedhros
parents: 6247
diff changeset
   494
	YearMonthDay ymd;
76d17f784c13 (svn r9371) -Feature: Add support for variable snow lines in the arctic climate, supplied
maedhros
parents: 6247
diff changeset
   495
	ConvertDateToYMD(_date, &ymd);
76d17f784c13 (svn r9371) -Feature: Add support for variable snow lines in the arctic climate, supplied
maedhros
parents: 6247
diff changeset
   496
	return _snow_line->table[ymd.month][ymd.day];
76d17f784c13 (svn r9371) -Feature: Add support for variable snow lines in the arctic climate, supplied
maedhros
parents: 6247
diff changeset
   497
}
76d17f784c13 (svn r9371) -Feature: Add support for variable snow lines in the arctic climate, supplied
maedhros
parents: 6247
diff changeset
   498
76d17f784c13 (svn r9371) -Feature: Add support for variable snow lines in the arctic climate, supplied
maedhros
parents: 6247
diff changeset
   499
/**
76d17f784c13 (svn r9371) -Feature: Add support for variable snow lines in the arctic climate, supplied
maedhros
parents: 6247
diff changeset
   500
 * Get the highest possible snow line height, either variable or static.
76d17f784c13 (svn r9371) -Feature: Add support for variable snow lines in the arctic climate, supplied
maedhros
parents: 6247
diff changeset
   501
 * @return the highest snow line height.
76d17f784c13 (svn r9371) -Feature: Add support for variable snow lines in the arctic climate, supplied
maedhros
parents: 6247
diff changeset
   502
 */
76d17f784c13 (svn r9371) -Feature: Add support for variable snow lines in the arctic climate, supplied
maedhros
parents: 6247
diff changeset
   503
byte HighestSnowLine(void)
76d17f784c13 (svn r9371) -Feature: Add support for variable snow lines in the arctic climate, supplied
maedhros
parents: 6247
diff changeset
   504
{
76d17f784c13 (svn r9371) -Feature: Add support for variable snow lines in the arctic climate, supplied
maedhros
parents: 6247
diff changeset
   505
	return _snow_line == NULL ? _opt.snow_line : _snow_line->highest_value;
76d17f784c13 (svn r9371) -Feature: Add support for variable snow lines in the arctic climate, supplied
maedhros
parents: 6247
diff changeset
   506
}
76d17f784c13 (svn r9371) -Feature: Add support for variable snow lines in the arctic climate, supplied
maedhros
parents: 6247
diff changeset
   507
76d17f784c13 (svn r9371) -Feature: Add support for variable snow lines in the arctic climate, supplied
maedhros
parents: 6247
diff changeset
   508
/**
76d17f784c13 (svn r9371) -Feature: Add support for variable snow lines in the arctic climate, supplied
maedhros
parents: 6247
diff changeset
   509
 * Clear the variable snow line table and free the memory.
76d17f784c13 (svn r9371) -Feature: Add support for variable snow lines in the arctic climate, supplied
maedhros
parents: 6247
diff changeset
   510
 */
76d17f784c13 (svn r9371) -Feature: Add support for variable snow lines in the arctic climate, supplied
maedhros
parents: 6247
diff changeset
   511
void ClearSnowLine(void)
76d17f784c13 (svn r9371) -Feature: Add support for variable snow lines in the arctic climate, supplied
maedhros
parents: 6247
diff changeset
   512
{
76d17f784c13 (svn r9371) -Feature: Add support for variable snow lines in the arctic climate, supplied
maedhros
parents: 6247
diff changeset
   513
	free(_snow_line);
76d17f784c13 (svn r9371) -Feature: Add support for variable snow lines in the arctic climate, supplied
maedhros
parents: 6247
diff changeset
   514
	_snow_line = NULL;
76d17f784c13 (svn r9371) -Feature: Add support for variable snow lines in the arctic climate, supplied
maedhros
parents: 6247
diff changeset
   515
}
76d17f784c13 (svn r9371) -Feature: Add support for variable snow lines in the arctic climate, supplied
maedhros
parents: 6247
diff changeset
   516
1775
548dc04d50e2 (svn r2279) - Fix: Check the parameters of the first 10 Commands. While there also add proper comments for the functions and fix up CmdFailed()
Darkvater
parents: 1589
diff changeset
   517
/** Clear a piece of landscape
3491
35d747bb5e82 (svn r4342) Change the first two parameters of commands - virtual pixel coordinates of the tile to operate on - to a TileIndex
tron
parents: 3447
diff changeset
   518
 * @param tile tile to clear
6201
bee01dc45e39 (svn r8987) -Cleanup: doxygen changes. Again. Mostly (still) @files missing tags and (more than just) a few comments style.
belugas
parents: 6106
diff changeset
   519
 * @param flags of operation to conduct
1775
548dc04d50e2 (svn r2279) - Fix: Check the parameters of the first 10 Commands. While there also add proper comments for the functions and fix up CmdFailed()
Darkvater
parents: 1589
diff changeset
   520
 * @param p1 unused
548dc04d50e2 (svn r2279) - Fix: Check the parameters of the first 10 Commands. While there also add proper comments for the functions and fix up CmdFailed()
Darkvater
parents: 1589
diff changeset
   521
 * @param p2 unused
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   522
 */
6943
1914f26aee04 (svn r10197) -Codechange: replace int32 with CommandCost where appropriate.
rubidium
parents: 6683
diff changeset
   523
CommandCost CmdLandscapeClear(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   524
{
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   525
	SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   526
1214
8262981ac274 (svn r1718) Use the enum TileType as parameter/return type for [GS]etTileType() instead of plain int.
tron
parents: 1211
diff changeset
   527
	return _tile_type_procs[GetTileType(tile)]->clear_tile_proc(tile, flags);
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   528
}
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   529
1793
b9a37c98b468 (svn r2297) - CodeChange: server-check the next batch of commands.
Darkvater
parents: 1775
diff changeset
   530
/** Clear a big piece of landscape
3491
35d747bb5e82 (svn r4342) Change the first two parameters of commands - virtual pixel coordinates of the tile to operate on - to a TileIndex
tron
parents: 3447
diff changeset
   531
 * @param tile end tile of area dragging
1793
b9a37c98b468 (svn r2297) - CodeChange: server-check the next batch of commands.
Darkvater
parents: 1775
diff changeset
   532
 * @param p1 start tile of area dragging
6201
bee01dc45e39 (svn r8987) -Cleanup: doxygen changes. Again. Mostly (still) @files missing tags and (more than just) a few comments style.
belugas
parents: 6106
diff changeset
   533
 * @param flags of operation to conduct
1793
b9a37c98b468 (svn r2297) - CodeChange: server-check the next batch of commands.
Darkvater
parents: 1775
diff changeset
   534
 * @param p2 unused
b9a37c98b468 (svn r2297) - CodeChange: server-check the next batch of commands.
Darkvater
parents: 1775
diff changeset
   535
 */
6943
1914f26aee04 (svn r10197) -Codechange: replace int32 with CommandCost where appropriate.
rubidium
parents: 6683
diff changeset
   536
CommandCost CmdClearArea(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   537
{
6943
1914f26aee04 (svn r10197) -Codechange: replace int32 with CommandCost where appropriate.
rubidium
parents: 6683
diff changeset
   538
	CommandCost cost, ret, money;
3491
35d747bb5e82 (svn r4342) Change the first two parameters of commands - virtual pixel coordinates of the tile to operate on - to a TileIndex
tron
parents: 3447
diff changeset
   539
	int ex;
35d747bb5e82 (svn r4342) Change the first two parameters of commands - virtual pixel coordinates of the tile to operate on - to a TileIndex
tron
parents: 3447
diff changeset
   540
	int ey;
6491
00dc414c909d (svn r9672) -Cleanup: lots of coding style fixes around operands.
rubidium
parents: 6357
diff changeset
   541
	int sx, sy;
00dc414c909d (svn r9672) -Cleanup: lots of coding style fixes around operands.
rubidium
parents: 6357
diff changeset
   542
	int x, y;
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   543
	bool success = false;
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   544
2934
3f29a7212713 (svn r3490) -Fix: A bunch (10) of off-by-one errors when checking if a TileIndex points to a tile on the map
tron
parents: 2639
diff changeset
   545
	if (p1 >= MapSize()) return CMD_ERROR;
1793
b9a37c98b468 (svn r2297) - CodeChange: server-check the next batch of commands.
Darkvater
parents: 1775
diff changeset
   546
889
64d2f7d5f02b (svn r1375) -Fix: [1050990] Buying trains sometimes accounted for incorrectly. Was the result of the cost getting reset in a recursive call of docommand. That is fixed. In addition all cost-commands are typed explicitely. Please do not forget to do so or your costs will be credited to construction if you are unlucky.
darkvater
parents: 863
diff changeset
   547
	SET_EXPENSES_TYPE(EXPENSES_CONSTRUCTION);
64d2f7d5f02b (svn r1375) -Fix: [1050990] Buying trains sometimes accounted for incorrectly. Was the result of the cost getting reset in a recursive call of docommand. That is fixed. In addition all cost-commands are typed explicitely. Please do not forget to do so or your costs will be credited to construction if you are unlucky.
darkvater
parents: 863
diff changeset
   548
6201
bee01dc45e39 (svn r8987) -Cleanup: doxygen changes. Again. Mostly (still) @files missing tags and (more than just) a few comments style.
belugas
parents: 6106
diff changeset
   549
	/* make sure sx,sy are smaller than ex,ey */
3493
c77bcf04294d (svn r4344) Use tile coordinates or even TileIndices instead of virtual tile coordinates where it suffices.
tron
parents: 3491
diff changeset
   550
	ex = TileX(tile);
c77bcf04294d (svn r4344) Use tile coordinates or even TileIndices instead of virtual tile coordinates where it suffices.
tron
parents: 3491
diff changeset
   551
	ey = TileY(tile);
c77bcf04294d (svn r4344) Use tile coordinates or even TileIndices instead of virtual tile coordinates where it suffices.
tron
parents: 3491
diff changeset
   552
	sx = TileX(p1);
c77bcf04294d (svn r4344) Use tile coordinates or even TileIndices instead of virtual tile coordinates where it suffices.
tron
parents: 3491
diff changeset
   553
	sy = TileY(p1);
6106
2898cd9417fd (svn r8841) -Fix
tron
parents: 5668
diff changeset
   554
	if (ex < sx) Swap(ex, sx);
2898cd9417fd (svn r8841) -Fix
tron
parents: 5668
diff changeset
   555
	if (ey < sy) Swap(ey, sy);
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   556
6950
14ecb0acdfb4 (svn r10205) -Codechange: refactor returning of cost, so it can be more easily modified.
rubidium
parents: 6943
diff changeset
   557
	money.AddCost(GetAvailableMoneyForCommand());
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   558
3493
c77bcf04294d (svn r4344) Use tile coordinates or even TileIndices instead of virtual tile coordinates where it suffices.
tron
parents: 3491
diff changeset
   559
	for (x = sx; x <= ex; ++x) {
c77bcf04294d (svn r4344) Use tile coordinates or even TileIndices instead of virtual tile coordinates where it suffices.
tron
parents: 3491
diff changeset
   560
		for (y = sy; y <= ey; ++y) {
c77bcf04294d (svn r4344) Use tile coordinates or even TileIndices instead of virtual tile coordinates where it suffices.
tron
parents: 3491
diff changeset
   561
			ret = DoCommand(TileXY(x, y), 0, 0, flags & ~DC_EXEC, CMD_LANDSCAPE_CLEAR);
1793
b9a37c98b468 (svn r2297) - CodeChange: server-check the next batch of commands.
Darkvater
parents: 1775
diff changeset
   562
			if (CmdFailed(ret)) continue;
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   563
			success = true;
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   564
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   565
			if (flags & DC_EXEC) {
6950
14ecb0acdfb4 (svn r10205) -Codechange: refactor returning of cost, so it can be more easily modified.
rubidium
parents: 6943
diff changeset
   566
				money.AddCost(-ret.GetCost());
14ecb0acdfb4 (svn r10205) -Codechange: refactor returning of cost, so it can be more easily modified.
rubidium
parents: 6943
diff changeset
   567
				if (ret.GetCost() > 0 && money.GetCost() < 0) {
14ecb0acdfb4 (svn r10205) -Codechange: refactor returning of cost, so it can be more easily modified.
rubidium
parents: 6943
diff changeset
   568
					_additional_cash_required = ret.GetCost();
14ecb0acdfb4 (svn r10205) -Codechange: refactor returning of cost, so it can be more easily modified.
rubidium
parents: 6943
diff changeset
   569
					return cost;
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   570
				}
3493
c77bcf04294d (svn r4344) Use tile coordinates or even TileIndices instead of virtual tile coordinates where it suffices.
tron
parents: 3491
diff changeset
   571
				DoCommand(TileXY(x, y), 0, 0, flags, CMD_LANDSCAPE_CLEAR);
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   572
6201
bee01dc45e39 (svn r8987) -Cleanup: doxygen changes. Again. Mostly (still) @files missing tags and (more than just) a few comments style.
belugas
parents: 6106
diff changeset
   573
				/* draw explosion animation... */
1793
b9a37c98b468 (svn r2297) - CodeChange: server-check the next batch of commands.
Darkvater
parents: 1775
diff changeset
   574
				if ((x == sx || x == ex) && (y == sy || y == ey)) {
6201
bee01dc45e39 (svn r8987) -Cleanup: doxygen changes. Again. Mostly (still) @files missing tags and (more than just) a few comments style.
belugas
parents: 6106
diff changeset
   575
					/* big explosion in each corner, or small explosion for single tiles */
3645
7f950533d510 (svn r4554) Replace magic numbers by TILE_{HEIGHT,SIZE}
tron
parents: 3636
diff changeset
   576
					CreateEffectVehicleAbove(x * TILE_SIZE + TILE_SIZE / 2, y * TILE_SIZE + TILE_SIZE / 2, 2,
1359
52782e5cf7c9 (svn r1863) Give the effect vehicle type enums more descriptive names and use the enum as parameter type for CreateEffectVehicle*()
tron
parents: 1350
diff changeset
   577
						sy == ey && sx == ex ? EV_EXPLOSION_SMALL : EV_EXPLOSION_LARGE
52782e5cf7c9 (svn r1863) Give the effect vehicle type enums more descriptive names and use the enum as parameter type for CreateEffectVehicle*()
tron
parents: 1350
diff changeset
   578
					);
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   579
				}
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   580
			}
6950
14ecb0acdfb4 (svn r10205) -Codechange: refactor returning of cost, so it can be more easily modified.
rubidium
parents: 6943
diff changeset
   581
			cost.AddCost(ret);
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   582
		}
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   583
	}
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   584
1793
b9a37c98b468 (svn r2297) - CodeChange: server-check the next batch of commands.
Darkvater
parents: 1775
diff changeset
   585
	return (success) ? cost : CMD_ERROR;
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   586
}
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   587
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   588
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   589
#define TILELOOP_BITS 4
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   590
#define TILELOOP_SIZE (1 << TILELOOP_BITS)
6491
00dc414c909d (svn r9672) -Cleanup: lots of coding style fixes around operands.
rubidium
parents: 6357
diff changeset
   591
#define TILELOOP_ASSERTMASK ((TILELOOP_SIZE - 1) + ((TILELOOP_SIZE - 1) << MapLogX()))
927
94fec9843fd3 (svn r1415) Move TILE_FROM_XY and TILE_XY to map.h and push TILE_[XY] bits from map.h into map.c.
tron
parents: 926
diff changeset
   592
#define TILELOOP_CHKMASK (((1 << (MapLogX() - TILELOOP_BITS))-1) << TILELOOP_BITS)
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   593
6247
7d81e3a5d803 (svn r9050) -Codechange: Foo(void) -> Foo()
rubidium
parents: 6201
diff changeset
   594
void RunTileLoop()
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   595
{
1589
bac29165710f (svn r2093) uint -> TileIndex, remove commented out code and a local variable, which was only used once
tron
parents: 1384
diff changeset
   596
	TileIndex tile;
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   597
	uint count;
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   598
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   599
	tile = _cur_tileloop_tile;
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   600
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   601
	assert( (tile & ~TILELOOP_ASSERTMASK) == 0);
863
6a1444534f62 (svn r1344) Use MapSize[XY]() (or MapSize()/MapMax[XY]() where appropriate) instead of TILES_[XY]
tron
parents: 857
diff changeset
   602
	count = (MapSizeX() / TILELOOP_SIZE) * (MapSizeY() / TILELOOP_SIZE);
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   603
	do {
1214
8262981ac274 (svn r1718) Use the enum TileType as parameter/return type for [GS]etTileType() instead of plain int.
tron
parents: 1211
diff changeset
   604
		_tile_type_procs[GetTileType(tile)]->tile_loop_proc(tile);
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   605
926
a6d140a6a4de (svn r1414) Move TileIndex, TILE_MASK and GET_TILE_[XY] to map.h and turn the latter into inline functions names Tile[XY]
tron
parents: 925
diff changeset
   606
		if (TileX(tile) < MapSizeX() - TILELOOP_SIZE) {
6201
bee01dc45e39 (svn r8987) -Cleanup: doxygen changes. Again. Mostly (still) @files missing tags and (more than just) a few comments style.
belugas
parents: 6106
diff changeset
   607
			tile += TILELOOP_SIZE; // no overflow
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   608
		} else {
1981
3c9c682f1212 (svn r2487) Replace TILE_XY by TileXY/TileDiffXY
tron
parents: 1980
diff changeset
   609
			tile = TILE_MASK(tile - TILELOOP_SIZE * (MapSizeX() / TILELOOP_SIZE - 1) + TileDiffXY(0, TILELOOP_SIZE)); /* x would overflow, also increase y */
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   610
		}
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   611
	} while (--count);
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   612
	assert( (tile & ~TILELOOP_ASSERTMASK) == 0);
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   613
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   614
	tile += 9;
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   615
	if (tile & TILELOOP_CHKMASK)
863
6a1444534f62 (svn r1344) Use MapSize[XY]() (or MapSize()/MapMax[XY]() where appropriate) instead of TILES_[XY]
tron
parents: 857
diff changeset
   616
		tile = (tile + MapSizeX()) & TILELOOP_ASSERTMASK;
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   617
	_cur_tileloop_tile = tile;
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   618
}
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   619
6247
7d81e3a5d803 (svn r9050) -Codechange: Foo(void) -> Foo()
rubidium
parents: 6201
diff changeset
   620
void InitializeLandscape()
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   621
{
3078
cfce0beffa16 (svn r3667) Fix the cause of an assertion I triggered in r3665
tron
parents: 3076
diff changeset
   622
	uint maxx = MapMaxX();
cfce0beffa16 (svn r3667) Fix the cause of an assertion I triggered in r3665
tron
parents: 3076
diff changeset
   623
	uint maxy = MapMaxY();
cfce0beffa16 (svn r3667) Fix the cause of an assertion I triggered in r3665
tron
parents: 3076
diff changeset
   624
	uint sizex = MapSizeX();
cfce0beffa16 (svn r3667) Fix the cause of an assertion I triggered in r3665
tron
parents: 3076
diff changeset
   625
	uint x;
cfce0beffa16 (svn r3667) Fix the cause of an assertion I triggered in r3665
tron
parents: 3076
diff changeset
   626
	uint y;
1218
c6a624956ac6 (svn r1722) -Feature: Bigger maps - anyone?
tron
parents: 1214
diff changeset
   627
3078
cfce0beffa16 (svn r3667) Fix the cause of an assertion I triggered in r3665
tron
parents: 3076
diff changeset
   628
	for (y = 0; y < maxy; y++) {
cfce0beffa16 (svn r3667) Fix the cause of an assertion I triggered in r3665
tron
parents: 3076
diff changeset
   629
		for (x = 0; x < maxx; x++) {
3447
1c62c085638a (svn r4279) s/\<CL_/CLEAR_/
tron
parents: 3422
diff changeset
   630
			MakeClear(sizex * y + x, CLEAR_GRASS, 3);
3078
cfce0beffa16 (svn r3667) Fix the cause of an assertion I triggered in r3665
tron
parents: 3076
diff changeset
   631
			SetTileHeight(sizex * y + x, 0);
5596
5bf7128140a0 (svn r8050) -Codechange: Rename map member extra to m6, since its usage has been widden.
belugas
parents: 5587
diff changeset
   632
			SetTropicZone(sizex * y + x, TROPICZONE_INVALID);
5385
3868f2e6db9b (svn r7573) -Merged the bridge branch. Allows to build bridges of arbitrary rail/road combinations (including signals)
celestar
parents: 4990
diff changeset
   633
			ClearBridgeMiddle(sizex * y + x);
3078
cfce0beffa16 (svn r3667) Fix the cause of an assertion I triggered in r3665
tron
parents: 3076
diff changeset
   634
		}
cfce0beffa16 (svn r3667) Fix the cause of an assertion I triggered in r3665
tron
parents: 3076
diff changeset
   635
		MakeVoid(sizex * y + x);
2049
538e73c53f54 (svn r2558) Change the internal map format from 7 arrays to one array of structs, this doesn't change the saved format for now. It's a stepping stone for further changes.
tron
parents: 1999
diff changeset
   636
	}
3078
cfce0beffa16 (svn r3667) Fix the cause of an assertion I triggered in r3665
tron
parents: 3076
diff changeset
   637
	for (x = 0; x < sizex; x++) MakeVoid(sizex * y + x);
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   638
}
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   639
6247
7d81e3a5d803 (svn r9050) -Codechange: Foo(void) -> Foo()
rubidium
parents: 6201
diff changeset
   640
void ConvertGroundTilesIntoWaterTiles()
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   641
{
4000
4009d092b306 (svn r5210) Many small changes which piled up: const, unsigned, variable scope, CSE for readability, DeMorgan, if cascades -> switch, whitespace, parentheses, bracing, misc.
tron
parents: 3977
diff changeset
   642
	TileIndex tile;
4300
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   643
	uint z;
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   644
	Slope slope;
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   645
1275
5d1b5fe31c78 (svn r1779) Make the map generation code slightly more readable
tron
parents: 1273
diff changeset
   646
	for (tile = 0; tile < MapSize(); ++tile) {
4300
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   647
		slope = GetTileSlope(tile, &z);
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   648
		if (IsTileType(tile, MP_CLEAR) && z == 0) {
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   649
			/* Make both water for tiles at level 0
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   650
			 * and make shore, as that looks much better
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   651
			 * during the generation. */
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   652
			switch (slope) {
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   653
				case SLOPE_FLAT:
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   654
					MakeWater(tile);
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   655
					break;
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   656
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   657
				case SLOPE_N:
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   658
				case SLOPE_E:
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   659
				case SLOPE_S:
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   660
				case SLOPE_W:
7887
b72ef3f45a38 (svn r11438) -Change: do not create shores in canyons. Based on a patch by LeviathNL.
rubidium
parents: 7770
diff changeset
   661
					MakeShore(tile);
b72ef3f45a38 (svn r11438) -Change: do not create shores in canyons. Based on a patch by LeviathNL.
rubidium
parents: 7770
diff changeset
   662
					break;
b72ef3f45a38 (svn r11438) -Change: do not create shores in canyons. Based on a patch by LeviathNL.
rubidium
parents: 7770
diff changeset
   663
4300
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   664
				case SLOPE_NW:
7887
b72ef3f45a38 (svn r11438) -Change: do not create shores in canyons. Based on a patch by LeviathNL.
rubidium
parents: 7770
diff changeset
   665
					if (GetTileSlope(TileAddByDiagDir(tile, DIAGDIR_SE), NULL) != SLOPE_SE) MakeShore(tile);
b72ef3f45a38 (svn r11438) -Change: do not create shores in canyons. Based on a patch by LeviathNL.
rubidium
parents: 7770
diff changeset
   666
					break;
b72ef3f45a38 (svn r11438) -Change: do not create shores in canyons. Based on a patch by LeviathNL.
rubidium
parents: 7770
diff changeset
   667
4300
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   668
				case SLOPE_SW:
7887
b72ef3f45a38 (svn r11438) -Change: do not create shores in canyons. Based on a patch by LeviathNL.
rubidium
parents: 7770
diff changeset
   669
					if (GetTileSlope(TileAddByDiagDir(tile, DIAGDIR_NE), NULL) != SLOPE_NE) MakeShore(tile);
b72ef3f45a38 (svn r11438) -Change: do not create shores in canyons. Based on a patch by LeviathNL.
rubidium
parents: 7770
diff changeset
   670
					break;
b72ef3f45a38 (svn r11438) -Change: do not create shores in canyons. Based on a patch by LeviathNL.
rubidium
parents: 7770
diff changeset
   671
4300
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   672
				case SLOPE_SE:
7887
b72ef3f45a38 (svn r11438) -Change: do not create shores in canyons. Based on a patch by LeviathNL.
rubidium
parents: 7770
diff changeset
   673
					if (GetTileSlope(TileAddByDiagDir(tile, DIAGDIR_NW), NULL) != SLOPE_NW) MakeShore(tile);
b72ef3f45a38 (svn r11438) -Change: do not create shores in canyons. Based on a patch by LeviathNL.
rubidium
parents: 7770
diff changeset
   674
					break;
b72ef3f45a38 (svn r11438) -Change: do not create shores in canyons. Based on a patch by LeviathNL.
rubidium
parents: 7770
diff changeset
   675
4300
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   676
				case SLOPE_NE:
7887
b72ef3f45a38 (svn r11438) -Change: do not create shores in canyons. Based on a patch by LeviathNL.
rubidium
parents: 7770
diff changeset
   677
					if (GetTileSlope(TileAddByDiagDir(tile, DIAGDIR_SW), NULL) != SLOPE_SW) MakeShore(tile);
4300
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   678
					break;
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   679
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   680
				default:
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   681
					break;
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   682
			}
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   683
		}
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   684
	}
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   685
}
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   686
4344
7e123fec5b0b (svn r6045) -Cleanup: align all table-like structures using spaces, i.e. whitespace fixes only except for a few comments to make them uniform for the whole enum/struct.
rubidium
parents: 4300
diff changeset
   687
static const byte _genterrain_tbl_1[5] = { 10, 22, 33, 37, 4  };
7e123fec5b0b (svn r6045) -Cleanup: align all table-like structures using spaces, i.e. whitespace fixes only except for a few comments to make them uniform for the whole enum/struct.
rubidium
parents: 4300
diff changeset
   688
static const byte _genterrain_tbl_2[5] = {  0,  0,  0,  0, 33 };
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   689
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   690
static void GenerateTerrain(int type, int flag)
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   691
{
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   692
	uint32 r;
1275
5d1b5fe31c78 (svn r1779) Make the map generation code slightly more readable
tron
parents: 1273
diff changeset
   693
	uint x;
5d1b5fe31c78 (svn r1779) Make the map generation code slightly more readable
tron
parents: 1273
diff changeset
   694
	uint y;
5d1b5fe31c78 (svn r1779) Make the map generation code slightly more readable
tron
parents: 1273
diff changeset
   695
	uint w;
5d1b5fe31c78 (svn r1779) Make the map generation code slightly more readable
tron
parents: 1273
diff changeset
   696
	uint h;
5587
167d9a91ef02 (svn r8038) -Merge: the cpp branch. Effort of KUDr, Celestar, glx, Smoovius, stillunknown and pv2b.
rubidium
parents: 5584
diff changeset
   697
	const Sprite* templ;
1275
5d1b5fe31c78 (svn r1779) Make the map generation code slightly more readable
tron
parents: 1273
diff changeset
   698
	const byte *p;
2049
538e73c53f54 (svn r2558) Change the internal map format from 7 arrays to one array of structs, this doesn't change the saved format for now. It's a stepping stone for further changes.
tron
parents: 1999
diff changeset
   699
	Tile* tile;
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   700
	byte direction;
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   701
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   702
	r = Random();
5587
167d9a91ef02 (svn r8038) -Merge: the cpp branch. Effort of KUDr, Celestar, glx, Smoovius, stillunknown and pv2b.
rubidium
parents: 5584
diff changeset
   703
	templ = GetSprite((((r >> 24) * _genterrain_tbl_1[type]) >> 8) + _genterrain_tbl_2[type] + 4845);
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   704
856
918759cedca8 (svn r1337) Use MapMax[XY]() (or MapSize[XY]() if appropriate) instead of TILE_MAX_[XY]
tron
parents: 851
diff changeset
   705
	x = r & MapMaxX();
927
94fec9843fd3 (svn r1415) Move TILE_FROM_XY and TILE_XY to map.h and push TILE_[XY] bits from map.h into map.c.
tron
parents: 926
diff changeset
   706
	y = (r >> MapLogX()) & MapMaxY();
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   707
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   708
2951
2de6d3a59743 (svn r3510) Fiddle with whitespace and parentheses
tron
parents: 2934
diff changeset
   709
	if (x < 2 || y < 2) return;
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   710
2140
a04d0142ad65 (svn r2650) Convert many explicit shifts+ands to extract bits to invocations of GB - should be a bit nicer to read
tron
parents: 2055
diff changeset
   711
	direction = GB(r, 22, 2);
1275
5d1b5fe31c78 (svn r1779) Make the map generation code slightly more readable
tron
parents: 1273
diff changeset
   712
	if (direction & 1) {
5587
167d9a91ef02 (svn r8038) -Merge: the cpp branch. Effort of KUDr, Celestar, glx, Smoovius, stillunknown and pv2b.
rubidium
parents: 5584
diff changeset
   713
		w = templ->height;
167d9a91ef02 (svn r8038) -Merge: the cpp branch. Effort of KUDr, Celestar, glx, Smoovius, stillunknown and pv2b.
rubidium
parents: 5584
diff changeset
   714
		h = templ->width;
1275
5d1b5fe31c78 (svn r1779) Make the map generation code slightly more readable
tron
parents: 1273
diff changeset
   715
	} else {
5587
167d9a91ef02 (svn r8038) -Merge: the cpp branch. Effort of KUDr, Celestar, glx, Smoovius, stillunknown and pv2b.
rubidium
parents: 5584
diff changeset
   716
		w = templ->width;
167d9a91ef02 (svn r8038) -Merge: the cpp branch. Effort of KUDr, Celestar, glx, Smoovius, stillunknown and pv2b.
rubidium
parents: 5584
diff changeset
   717
		h = templ->height;
1275
5d1b5fe31c78 (svn r1779) Make the map generation code slightly more readable
tron
parents: 1273
diff changeset
   718
	}
5587
167d9a91ef02 (svn r8038) -Merge: the cpp branch. Effort of KUDr, Celestar, glx, Smoovius, stillunknown and pv2b.
rubidium
parents: 5584
diff changeset
   719
	p = templ->data;
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   720
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   721
	if (flag & 4) {
1273
e4849a568647 (svn r1777) Fix map generation for tropical and arctic landscape on larger/smaller maps
tron
parents: 1247
diff changeset
   722
		uint xw = x * MapSizeY();
e4849a568647 (svn r1777) Fix map generation for tropical and arctic landscape on larger/smaller maps
tron
parents: 1247
diff changeset
   723
		uint yw = y * MapSizeX();
e4849a568647 (svn r1777) Fix map generation for tropical and arctic landscape on larger/smaller maps
tron
parents: 1247
diff changeset
   724
		uint bias = (MapSizeX() + MapSizeY()) * 16;
e4849a568647 (svn r1777) Fix map generation for tropical and arctic landscape on larger/smaller maps
tron
parents: 1247
diff changeset
   725
e4849a568647 (svn r1777) Fix map generation for tropical and arctic landscape on larger/smaller maps
tron
parents: 1247
diff changeset
   726
		switch (flag & 3) {
e4849a568647 (svn r1777) Fix map generation for tropical and arctic landscape on larger/smaller maps
tron
parents: 1247
diff changeset
   727
			case 0:
e4849a568647 (svn r1777) Fix map generation for tropical and arctic landscape on larger/smaller maps
tron
parents: 1247
diff changeset
   728
				if (xw + yw > MapSize() - bias) return;
e4849a568647 (svn r1777) Fix map generation for tropical and arctic landscape on larger/smaller maps
tron
parents: 1247
diff changeset
   729
				break;
e4849a568647 (svn r1777) Fix map generation for tropical and arctic landscape on larger/smaller maps
tron
parents: 1247
diff changeset
   730
e4849a568647 (svn r1777) Fix map generation for tropical and arctic landscape on larger/smaller maps
tron
parents: 1247
diff changeset
   731
			case 1:
e4849a568647 (svn r1777) Fix map generation for tropical and arctic landscape on larger/smaller maps
tron
parents: 1247
diff changeset
   732
				if (yw < xw + bias) return;
e4849a568647 (svn r1777) Fix map generation for tropical and arctic landscape on larger/smaller maps
tron
parents: 1247
diff changeset
   733
				break;
e4849a568647 (svn r1777) Fix map generation for tropical and arctic landscape on larger/smaller maps
tron
parents: 1247
diff changeset
   734
e4849a568647 (svn r1777) Fix map generation for tropical and arctic landscape on larger/smaller maps
tron
parents: 1247
diff changeset
   735
			case 2:
e4849a568647 (svn r1777) Fix map generation for tropical and arctic landscape on larger/smaller maps
tron
parents: 1247
diff changeset
   736
				if (xw + yw < MapSize() + bias) return;
e4849a568647 (svn r1777) Fix map generation for tropical and arctic landscape on larger/smaller maps
tron
parents: 1247
diff changeset
   737
				break;
e4849a568647 (svn r1777) Fix map generation for tropical and arctic landscape on larger/smaller maps
tron
parents: 1247
diff changeset
   738
e4849a568647 (svn r1777) Fix map generation for tropical and arctic landscape on larger/smaller maps
tron
parents: 1247
diff changeset
   739
			case 3:
e4849a568647 (svn r1777) Fix map generation for tropical and arctic landscape on larger/smaller maps
tron
parents: 1247
diff changeset
   740
				if (xw < yw + bias) return;
e4849a568647 (svn r1777) Fix map generation for tropical and arctic landscape on larger/smaller maps
tron
parents: 1247
diff changeset
   741
				break;
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   742
		}
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   743
	}
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   744
2951
2de6d3a59743 (svn r3510) Fiddle with whitespace and parentheses
tron
parents: 2934
diff changeset
   745
	if (x + w >= MapMaxX() - 1) return;
2de6d3a59743 (svn r3510) Fiddle with whitespace and parentheses
tron
parents: 2934
diff changeset
   746
	if (y + h >= MapMaxY() - 1) return;
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   747
2049
538e73c53f54 (svn r2558) Change the internal map format from 7 arrays to one array of structs, this doesn't change the saved format for now. It's a stepping stone for further changes.
tron
parents: 1999
diff changeset
   748
	tile = &_m[TileXY(x, y)];
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   749
1275
5d1b5fe31c78 (svn r1779) Make the map generation code slightly more readable
tron
parents: 1273
diff changeset
   750
	switch (direction) {
5d1b5fe31c78 (svn r1779) Make the map generation code slightly more readable
tron
parents: 1273
diff changeset
   751
		case 0:
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   752
			do {
2049
538e73c53f54 (svn r2558) Change the internal map format from 7 arrays to one array of structs, this doesn't change the saved format for now. It's a stepping stone for further changes.
tron
parents: 1999
diff changeset
   753
				Tile* tile_cur = tile;
1275
5d1b5fe31c78 (svn r1779) Make the map generation code slightly more readable
tron
parents: 1273
diff changeset
   754
				uint w_cur;
5d1b5fe31c78 (svn r1779) Make the map generation code slightly more readable
tron
parents: 1273
diff changeset
   755
5d1b5fe31c78 (svn r1779) Make the map generation code slightly more readable
tron
parents: 1273
diff changeset
   756
				for (w_cur = w; w_cur != 0; --w_cur) {
2049
538e73c53f54 (svn r2558) Change the internal map format from 7 arrays to one array of structs, this doesn't change the saved format for now. It's a stepping stone for further changes.
tron
parents: 1999
diff changeset
   757
					if (*p >= tile_cur->type_height) tile_cur->type_height = *p;
1275
5d1b5fe31c78 (svn r1779) Make the map generation code slightly more readable
tron
parents: 1273
diff changeset
   758
					p++;
5d1b5fe31c78 (svn r1779) Make the map generation code slightly more readable
tron
parents: 1273
diff changeset
   759
					tile_cur++;
5d1b5fe31c78 (svn r1779) Make the map generation code slightly more readable
tron
parents: 1273
diff changeset
   760
				}
1981
3c9c682f1212 (svn r2487) Replace TILE_XY by TileXY/TileDiffXY
tron
parents: 1980
diff changeset
   761
				tile += TileDiffXY(0, 1);
1275
5d1b5fe31c78 (svn r1779) Make the map generation code slightly more readable
tron
parents: 1273
diff changeset
   762
			} while (--h != 0);
5d1b5fe31c78 (svn r1779) Make the map generation code slightly more readable
tron
parents: 1273
diff changeset
   763
			break;
5d1b5fe31c78 (svn r1779) Make the map generation code slightly more readable
tron
parents: 1273
diff changeset
   764
5d1b5fe31c78 (svn r1779) Make the map generation code slightly more readable
tron
parents: 1273
diff changeset
   765
		case 1:
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   766
			do {
2049
538e73c53f54 (svn r2558) Change the internal map format from 7 arrays to one array of structs, this doesn't change the saved format for now. It's a stepping stone for further changes.
tron
parents: 1999
diff changeset
   767
				Tile* tile_cur = tile;
1275
5d1b5fe31c78 (svn r1779) Make the map generation code slightly more readable
tron
parents: 1273
diff changeset
   768
				uint h_cur;
5d1b5fe31c78 (svn r1779) Make the map generation code slightly more readable
tron
parents: 1273
diff changeset
   769
5d1b5fe31c78 (svn r1779) Make the map generation code slightly more readable
tron
parents: 1273
diff changeset
   770
				for (h_cur = h; h_cur != 0; --h_cur) {
2049
538e73c53f54 (svn r2558) Change the internal map format from 7 arrays to one array of structs, this doesn't change the saved format for now. It's a stepping stone for further changes.
tron
parents: 1999
diff changeset
   771
					if (*p >= tile_cur->type_height) tile_cur->type_height = *p;
1275
5d1b5fe31c78 (svn r1779) Make the map generation code slightly more readable
tron
parents: 1273
diff changeset
   772
					p++;
1981
3c9c682f1212 (svn r2487) Replace TILE_XY by TileXY/TileDiffXY
tron
parents: 1980
diff changeset
   773
					tile_cur += TileDiffXY(0, 1);
1275
5d1b5fe31c78 (svn r1779) Make the map generation code slightly more readable
tron
parents: 1273
diff changeset
   774
				}
5d1b5fe31c78 (svn r1779) Make the map generation code slightly more readable
tron
parents: 1273
diff changeset
   775
				tile++;
5d1b5fe31c78 (svn r1779) Make the map generation code slightly more readable
tron
parents: 1273
diff changeset
   776
			} while (--w != 0);
5d1b5fe31c78 (svn r1779) Make the map generation code slightly more readable
tron
parents: 1273
diff changeset
   777
			break;
5d1b5fe31c78 (svn r1779) Make the map generation code slightly more readable
tron
parents: 1273
diff changeset
   778
5d1b5fe31c78 (svn r1779) Make the map generation code slightly more readable
tron
parents: 1273
diff changeset
   779
		case 2:
1981
3c9c682f1212 (svn r2487) Replace TILE_XY by TileXY/TileDiffXY
tron
parents: 1980
diff changeset
   780
			tile += TileDiffXY(w - 1, 0);
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   781
			do {
2049
538e73c53f54 (svn r2558) Change the internal map format from 7 arrays to one array of structs, this doesn't change the saved format for now. It's a stepping stone for further changes.
tron
parents: 1999
diff changeset
   782
				Tile* tile_cur = tile;
1275
5d1b5fe31c78 (svn r1779) Make the map generation code slightly more readable
tron
parents: 1273
diff changeset
   783
				uint w_cur;
5d1b5fe31c78 (svn r1779) Make the map generation code slightly more readable
tron
parents: 1273
diff changeset
   784
5d1b5fe31c78 (svn r1779) Make the map generation code slightly more readable
tron
parents: 1273
diff changeset
   785
				for (w_cur = w; w_cur != 0; --w_cur) {
2049
538e73c53f54 (svn r2558) Change the internal map format from 7 arrays to one array of structs, this doesn't change the saved format for now. It's a stepping stone for further changes.
tron
parents: 1999
diff changeset
   786
					if (*p >= tile_cur->type_height) tile_cur->type_height = *p;
1275
5d1b5fe31c78 (svn r1779) Make the map generation code slightly more readable
tron
parents: 1273
diff changeset
   787
					p++;
5d1b5fe31c78 (svn r1779) Make the map generation code slightly more readable
tron
parents: 1273
diff changeset
   788
					tile_cur--;
5d1b5fe31c78 (svn r1779) Make the map generation code slightly more readable
tron
parents: 1273
diff changeset
   789
				}
1981
3c9c682f1212 (svn r2487) Replace TILE_XY by TileXY/TileDiffXY
tron
parents: 1980
diff changeset
   790
				tile += TileDiffXY(0, 1);
1275
5d1b5fe31c78 (svn r1779) Make the map generation code slightly more readable
tron
parents: 1273
diff changeset
   791
			} while (--h != 0);
5d1b5fe31c78 (svn r1779) Make the map generation code slightly more readable
tron
parents: 1273
diff changeset
   792
			break;
5d1b5fe31c78 (svn r1779) Make the map generation code slightly more readable
tron
parents: 1273
diff changeset
   793
5d1b5fe31c78 (svn r1779) Make the map generation code slightly more readable
tron
parents: 1273
diff changeset
   794
		case 3:
1981
3c9c682f1212 (svn r2487) Replace TILE_XY by TileXY/TileDiffXY
tron
parents: 1980
diff changeset
   795
			tile += TileDiffXY(0, h - 1);
1275
5d1b5fe31c78 (svn r1779) Make the map generation code slightly more readable
tron
parents: 1273
diff changeset
   796
			do {
2049
538e73c53f54 (svn r2558) Change the internal map format from 7 arrays to one array of structs, this doesn't change the saved format for now. It's a stepping stone for further changes.
tron
parents: 1999
diff changeset
   797
				Tile* tile_cur = tile;
1275
5d1b5fe31c78 (svn r1779) Make the map generation code slightly more readable
tron
parents: 1273
diff changeset
   798
				uint h_cur;
5d1b5fe31c78 (svn r1779) Make the map generation code slightly more readable
tron
parents: 1273
diff changeset
   799
5d1b5fe31c78 (svn r1779) Make the map generation code slightly more readable
tron
parents: 1273
diff changeset
   800
				for (h_cur = h; h_cur != 0; --h_cur) {
2049
538e73c53f54 (svn r2558) Change the internal map format from 7 arrays to one array of structs, this doesn't change the saved format for now. It's a stepping stone for further changes.
tron
parents: 1999
diff changeset
   801
					if (*p >= tile_cur->type_height) tile_cur->type_height = *p;
1275
5d1b5fe31c78 (svn r1779) Make the map generation code slightly more readable
tron
parents: 1273
diff changeset
   802
					p++;
1981
3c9c682f1212 (svn r2487) Replace TILE_XY by TileXY/TileDiffXY
tron
parents: 1980
diff changeset
   803
					tile_cur -= TileDiffXY(0, 1);
1278
952095d83a1a (svn r1782) Remove line which should've been removed in r1779 and caused map generation to hang infinitely
tron
parents: 1275
diff changeset
   804
				}
1275
5d1b5fe31c78 (svn r1779) Make the map generation code slightly more readable
tron
parents: 1273
diff changeset
   805
				tile++;
5d1b5fe31c78 (svn r1779) Make the map generation code slightly more readable
tron
parents: 1273
diff changeset
   806
			} while (--w != 0);
5d1b5fe31c78 (svn r1779) Make the map generation code slightly more readable
tron
parents: 1273
diff changeset
   807
			break;
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   808
	}
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   809
}
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   810
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   811
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   812
#include "table/genland.h"
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   813
6247
7d81e3a5d803 (svn r9050) -Codechange: Foo(void) -> Foo()
rubidium
parents: 6201
diff changeset
   814
static void CreateDesertOrRainForest()
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   815
{
1275
5d1b5fe31c78 (svn r1779) Make the map generation code slightly more readable
tron
parents: 1273
diff changeset
   816
	TileIndex tile;
4300
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   817
	TileIndex update_freq = MapSize() / 4;
909
65cdb609b7a6 (svn r1396) Introduce TileIndexDiffC - the compile time version of TileIndexDiff
tron
parents: 889
diff changeset
   818
	const TileIndexDiffC *data;
1275
5d1b5fe31c78 (svn r1779) Make the map generation code slightly more readable
tron
parents: 1273
diff changeset
   819
	uint i;
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   820
909
65cdb609b7a6 (svn r1396) Introduce TileIndexDiffC - the compile time version of TileIndexDiff
tron
parents: 889
diff changeset
   821
	for (tile = 0; tile != MapSize(); ++tile) {
4300
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   822
		if ((tile % update_freq) == 0) IncreaseGeneratingWorldProgress(GWP_LANDSCAPE);
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   823
909
65cdb609b7a6 (svn r1396) Introduce TileIndexDiffC - the compile time version of TileIndexDiff
tron
parents: 889
diff changeset
   824
		for (data = _make_desert_or_rainforest_data;
65cdb609b7a6 (svn r1396) Introduce TileIndexDiffC - the compile time version of TileIndexDiff
tron
parents: 889
diff changeset
   825
				data != endof(_make_desert_or_rainforest_data); ++data) {
1184
9792417da988 (svn r1686) Fix (Work around?) crash when generating tropical maps
tron
parents: 1181
diff changeset
   826
			TileIndex t = TILE_MASK(tile + ToTileIndexDiff(*data));
1044
63e0601a43cc (svn r1545) Add TileHeight() which returns the height (not multiplied by 8)
tron
parents: 1035
diff changeset
   827
			if (TileHeight(t) >= 4 || IsTileType(t, MP_WATER)) break;
909
65cdb609b7a6 (svn r1396) Introduce TileIndexDiffC - the compile time version of TileIndexDiff
tron
parents: 889
diff changeset
   828
		}
65cdb609b7a6 (svn r1396) Introduce TileIndexDiffC - the compile time version of TileIndexDiff
tron
parents: 889
diff changeset
   829
		if (data == endof(_make_desert_or_rainforest_data))
3379
50b253bb9819 (svn r4181) CodeChange : Replaced [G/S]etMapExtraBits by [G/S]etTropicZone. Although it was an accessor, nor his usage nor the values were clear.
belugas
parents: 3297
diff changeset
   830
			SetTropicZone(tile, TROPICZONE_DESERT);
909
65cdb609b7a6 (svn r1396) Introduce TileIndexDiffC - the compile time version of TileIndexDiff
tron
parents: 889
diff changeset
   831
	}
183
ec2b02ea4c88 (svn r184) -Fix: starting a new game in DesertLandscape crashed the game
truelight
parents: 159
diff changeset
   832
4300
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   833
	for (i = 0; i != 256; i++) {
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   834
		if ((i % 64) == 0) IncreaseGeneratingWorldProgress(GWP_LANDSCAPE);
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   835
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   836
		RunTileLoop();
4300
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   837
	}
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   838
909
65cdb609b7a6 (svn r1396) Introduce TileIndexDiffC - the compile time version of TileIndexDiff
tron
parents: 889
diff changeset
   839
	for (tile = 0; tile != MapSize(); ++tile) {
4300
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   840
		if ((tile % update_freq) == 0) IncreaseGeneratingWorldProgress(GWP_LANDSCAPE);
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   841
909
65cdb609b7a6 (svn r1396) Introduce TileIndexDiffC - the compile time version of TileIndexDiff
tron
parents: 889
diff changeset
   842
		for (data = _make_desert_or_rainforest_data;
65cdb609b7a6 (svn r1396) Introduce TileIndexDiffC - the compile time version of TileIndexDiff
tron
parents: 889
diff changeset
   843
				data != endof(_make_desert_or_rainforest_data); ++data) {
65cdb609b7a6 (svn r1396) Introduce TileIndexDiffC - the compile time version of TileIndexDiff
tron
parents: 889
diff changeset
   844
			TileIndex t = TILE_MASK(tile + ToTileIndexDiff(*data));
3447
1c62c085638a (svn r4279) s/\<CL_/CLEAR_/
tron
parents: 3422
diff changeset
   845
			if (IsTileType(t, MP_CLEAR) && IsClearGround(t, CLEAR_DESERT)) break;
909
65cdb609b7a6 (svn r1396) Introduce TileIndexDiffC - the compile time version of TileIndexDiff
tron
parents: 889
diff changeset
   846
		}
65cdb609b7a6 (svn r1396) Introduce TileIndexDiffC - the compile time version of TileIndexDiff
tron
parents: 889
diff changeset
   847
		if (data == endof(_make_desert_or_rainforest_data))
3379
50b253bb9819 (svn r4181) CodeChange : Replaced [G/S]etMapExtraBits by [G/S]etTropicZone. Although it was an accessor, nor his usage nor the values were clear.
belugas
parents: 3297
diff changeset
   848
			SetTropicZone(tile, TROPICZONE_RAINFOREST);
909
65cdb609b7a6 (svn r1396) Introduce TileIndexDiffC - the compile time version of TileIndexDiff
tron
parents: 889
diff changeset
   849
	}
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   850
}
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   851
4300
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   852
void GenerateLandscape(byte mode)
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   853
{
4300
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   854
	const int gwp_desert_amount = 4 + 8;
1275
5d1b5fe31c78 (svn r1779) Make the map generation code slightly more readable
tron
parents: 1273
diff changeset
   855
	uint i;
5d1b5fe31c78 (svn r1779) Make the map generation code slightly more readable
tron
parents: 1273
diff changeset
   856
	uint flag;
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   857
	uint32 r;
183
ec2b02ea4c88 (svn r184) -Fix: starting a new game in DesertLandscape crashed the game
truelight
parents: 159
diff changeset
   858
4300
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   859
	if (mode == GW_HEIGHTMAP) {
6357
f0f5e7d1713c (svn r9400) -Codechange: Use some more representative enum names for landscape types.
belugas
parents: 6343
diff changeset
   860
		SetGeneratingWorldProgress(GWP_LANDSCAPE, (_opt.landscape == LT_TROPIC) ? 1 + gwp_desert_amount : 1);
4300
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   861
		LoadHeightmap(_file_to_saveload.name);
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   862
		IncreaseGeneratingWorldProgress(GWP_LANDSCAPE);
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   863
	} else if (_patches.land_generator == LG_TERRAGENESIS) {
6357
f0f5e7d1713c (svn r9400) -Codechange: Use some more representative enum names for landscape types.
belugas
parents: 6343
diff changeset
   864
		SetGeneratingWorldProgress(GWP_LANDSCAPE, (_opt.landscape == LT_TROPIC) ? 3 + gwp_desert_amount : 3);
4300
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   865
		GenerateTerrainPerlin();
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   866
	} else {
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   867
		switch (_opt.landscape) {
6357
f0f5e7d1713c (svn r9400) -Codechange: Use some more representative enum names for landscape types.
belugas
parents: 6343
diff changeset
   868
			case LT_ARCTIC:
4300
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   869
				SetGeneratingWorldProgress(GWP_LANDSCAPE, 2);
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   870
4300
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   871
				for (i = ScaleByMapSize((Random() & 0x7F) + 950); i != 0; --i) {
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   872
					GenerateTerrain(2, 0);
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   873
				}
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   874
				IncreaseGeneratingWorldProgress(GWP_LANDSCAPE);
3017
a75caf4efa2d (svn r3597) Miscellaneous (I like that word) changes: Fix some indentation, add consts, reduce indentation level by short-circuit logic, convert if cascades to switch, whitespace, bracing, plus some minor stuff
tron
parents: 2955
diff changeset
   875
4300
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   876
				r = Random();
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   877
				flag = GB(r, 0, 2) | 4;
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   878
				for (i = ScaleByMapSize(GB(r, 16, 7) + 450); i != 0; --i) {
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   879
					GenerateTerrain(4, flag);
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   880
				}
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   881
				IncreaseGeneratingWorldProgress(GWP_LANDSCAPE);
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   882
				break;
3017
a75caf4efa2d (svn r3597) Miscellaneous (I like that word) changes: Fix some indentation, add consts, reduce indentation level by short-circuit logic, convert if cascades to switch, whitespace, bracing, plus some minor stuff
tron
parents: 2955
diff changeset
   883
6357
f0f5e7d1713c (svn r9400) -Codechange: Use some more representative enum names for landscape types.
belugas
parents: 6343
diff changeset
   884
			case LT_TROPIC:
4300
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   885
				SetGeneratingWorldProgress(GWP_LANDSCAPE, 3 + gwp_desert_amount);
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   886
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   887
				for (i = ScaleByMapSize((Random() & 0x7F) + 170); i != 0; --i) {
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   888
					GenerateTerrain(0, 0);
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   889
				}
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   890
				IncreaseGeneratingWorldProgress(GWP_LANDSCAPE);
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   891
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   892
				r = Random();
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   893
				flag = GB(r, 0, 2) | 4;
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   894
				for (i = ScaleByMapSize(GB(r, 16, 8) + 1700); i != 0; --i) {
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   895
					GenerateTerrain(0, flag);
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   896
				}
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   897
				IncreaseGeneratingWorldProgress(GWP_LANDSCAPE);
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   898
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   899
				flag ^= 2;
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   900
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   901
				for (i = ScaleByMapSize((Random() & 0x7F) + 410); i != 0; --i) {
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   902
					GenerateTerrain(3, flag);
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   903
				}
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   904
				IncreaseGeneratingWorldProgress(GWP_LANDSCAPE);
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   905
				break;
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   906
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   907
			default:
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   908
				SetGeneratingWorldProgress(GWP_LANDSCAPE, 1);
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   909
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   910
				i = ScaleByMapSize((Random() & 0x7F) + (3 - _opt.diff.quantity_sea_lakes) * 256 + 100);
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   911
				for (; i != 0; --i) {
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   912
					GenerateTerrain(_opt.diff.terrain_type, 0);
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   913
				}
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   914
				IncreaseGeneratingWorldProgress(GWP_LANDSCAPE);
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   915
				break;
c7e43c47a2b9 (svn r5946) -Add: merged the TGP branch to mainline. TGP adds:
truelight
parents: 4253
diff changeset
   916
		}
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   917
	}
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   918
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   919
	ConvertGroundTilesIntoWaterTiles();
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   920
6357
f0f5e7d1713c (svn r9400) -Codechange: Use some more representative enum names for landscape types.
belugas
parents: 6343
diff changeset
   921
	if (_opt.landscape == LT_TROPIC) CreateDesertOrRainForest();
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   922
}
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   923
6247
7d81e3a5d803 (svn r9050) -Codechange: Foo(void) -> Foo()
rubidium
parents: 6201
diff changeset
   924
void OnTick_Town();
7d81e3a5d803 (svn r9050) -Codechange: Foo(void) -> Foo()
rubidium
parents: 6201
diff changeset
   925
void OnTick_Trees();
7d81e3a5d803 (svn r9050) -Codechange: Foo(void) -> Foo()
rubidium
parents: 6201
diff changeset
   926
void OnTick_Station();
7d81e3a5d803 (svn r9050) -Codechange: Foo(void) -> Foo()
rubidium
parents: 6201
diff changeset
   927
void OnTick_Industry();
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   928
6247
7d81e3a5d803 (svn r9050) -Codechange: Foo(void) -> Foo()
rubidium
parents: 6201
diff changeset
   929
void OnTick_Players();
7d81e3a5d803 (svn r9050) -Codechange: Foo(void) -> Foo()
rubidium
parents: 6201
diff changeset
   930
void OnTick_Train();
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   931
6247
7d81e3a5d803 (svn r9050) -Codechange: Foo(void) -> Foo()
rubidium
parents: 6201
diff changeset
   932
void CallLandscapeTick()
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   933
{
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   934
	OnTick_Town();
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   935
	OnTick_Trees();
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   936
	OnTick_Station();
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   937
	OnTick_Industry();
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   938
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   939
	OnTick_Players();
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   940
	OnTick_Train();
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   941
}
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   942
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   943
TileIndex AdjustTileCoordRandomly(TileIndex a, byte rng)
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   944
{
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   945
	int rn = rng;
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   946
	uint32 r = Random();
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   947
1981
3c9c682f1212 (svn r2487) Replace TILE_XY by TileXY/TileDiffXY
tron
parents: 1980
diff changeset
   948
	return TILE_MASK(TileXY(
2150
f710b959b1c4 (svn r2660) Get rid of some more shifting/anding/casting
tron
parents: 2140
diff changeset
   949
		TileX(a) + (GB(r, 0, 8) * rn * 2 >> 8) - rn,
f710b959b1c4 (svn r2660) Get rid of some more shifting/anding/casting
tron
parents: 2140
diff changeset
   950
		TileY(a) + (GB(r, 8, 8) * rn * 2 >> 8) - rn
1174
6a5e747f3ba6 (svn r1676) Increase the size of TileIndex and TileIndexDiff to 32bits and adapt the save/load data and some other parts of the code to that change
tron
parents: 1140
diff changeset
   951
	));
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   952
}
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   953
1589
bac29165710f (svn r2093) uint -> TileIndex, remove commented out code and a local variable, which was only used once
tron
parents: 1384
diff changeset
   954
bool IsValidTile(TileIndex tile)
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   955
{
926
a6d140a6a4de (svn r1414) Move TileIndex, TILE_MASK and GET_TILE_[XY] to map.h and turn the latter into inline functions names Tile[XY]
tron
parents: 925
diff changeset
   956
	return (tile < MapSizeX() * MapMaxY() && TileX(tile) != MapMaxX());
0
29654efe3188 (svn r1) Import of revision 975 of old (crashed) SVN
truelight
parents:
diff changeset
   957
}